21000689399940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{1297}}^1\times {\mathrm{27647}}^1$

素因数の和:29226

約数の個数: 192

約数和(自身を含む): 60483263791104

約数和(自身を除く): 39482574391164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 227, 258, 430, 454, 516, 645, 681, 860, 908, 1135, 1290, 1297, 1362, 2270, 2580, 2594, 2724, 3405, 3891, 4540, 5188, 6485, 6810, 7782, 9761, 12970, 13620, 15564, 19455, 19522, 25940, 27647, 29283, 38910, 39044, 48805, 55294, 55771, 58566, 77820, 82941, 97610, 110588, 111542, 117132, 138235, 146415, 165882, 167313, 195220, 223084, 276470, 278855, 292830, 294419, 331764, 334626, 414705, 552940, 557710, 585660, 588838, 669252, 829410, 836565, 883257, 1115420, 1177676, 1188821, 1472095, 1658820, 1673130, 1766514, 2377642, 2944190, 3346260, 3533028, 3566463, 4416285, 4755284, 5888380, 5944105, 6275869, 7132926, 8832570, 11888210, 12551738, 12660017, 14265852, 17665140, 17832315, 18827607, 23776420, 25103476, 25320034, 31379345, 35664630, 35858159, 37655214, 37980051, 50640068, 62758690, 63300085, 71329260, 71716318, 75310428, 75960102, 94138035, 107574477, 125517380, 126600170, 143432636, 151920204, 179290795, 188276070, 189900255, 215148954, 253200340, 269862367, 358581590, 376552140, 379800510, 430297908, 537872385, 539724734, 717163180, 759601020, 809587101, 1075744770, 1079449468, 1349311835, 1541900837, 1619174202, 2151489540, 2698623670, 3083801674, 3238348404, 4047935505, 4625702511, 5397247340, 6167603348, 7709504185, 8095871010, 8139802093, 9251405022, 15419008370, 16191742020, 16279604186, 18502810044, 23128512555, 24419406279, 30838016740, 32559208372, 40699010465, 46257025110, 48838812558, 81398020930, 92514050220, 97677625116, 122097031395, 162796041860, 244194062790, 350011489999, 488388125580, 700022979998, 1050034469997, 1400045959996, 1750057449995, 2100068939994, 3500114899990, 4200137879988, 5250172349985, 7000229799980, 10500344699970, 21000689399940]

約数ペア:

[(1, 21000689399940), (2, 10500344699970), (3, 7000229799980), (4, 5250172349985), (5, 4200137879988), (6, 3500114899990), (10, 2100068939994), (12, 1750057449995), (15, 1400045959996), (20, 1050034469997), (30, 700022979998), (43, 488388125580), (60, 350011489999), (86, 244194062790), (129, 162796041860), (172, 122097031395), (215, 97677625116), (227, 92514050220), (258, 81398020930), (430, 48838812558), (454, 46257025110), (516, 40699010465), (645, 32559208372), (681, 30838016740), (860, 24419406279), (908, 23128512555), (1135, 18502810044), (1290, 16279604186), (1297, 16191742020), (1362, 15419008370), (2270, 9251405022), (2580, 8139802093), (2594, 8095871010), (2724, 7709504185), (3405, 6167603348), (3891, 5397247340), (4540, 4625702511), (5188, 4047935505), (6485, 3238348404), (6810, 3083801674), (7782, 2698623670), (9761, 2151489540), (12970, 1619174202), (13620, 1541900837), (15564, 1349311835), (19455, 1079449468), (19522, 1075744770), (25940, 809587101), (27647, 759601020), (29283, 717163180), (38910, 539724734), (39044, 537872385), (48805, 430297908), (55294, 379800510), (55771, 376552140), (58566, 358581590), (77820, 269862367), (82941, 253200340), (97610, 215148954), (110588, 189900255), (111542, 188276070), (117132, 179290795), (138235, 151920204), (146415, 143432636), (165882, 126600170), (167313, 125517380), (195220, 107574477), (223084, 94138035), (276470, 75960102), (278855, 75310428), (292830, 71716318), (294419, 71329260), (331764, 63300085), (334626, 62758690), (414705, 50640068), (552940, 37980051), (557710, 37655214), (585660, 35858159), (588838, 35664630), (669252, 31379345), (829410, 25320034), (836565, 25103476), (883257, 23776420), (1115420, 18827607), (1177676, 17832315), (1188821, 17665140), (1472095, 14265852), (1658820, 12660017), (1673130, 12551738), (1766514, 11888210), (2377642, 8832570), (2944190, 7132926), (3346260, 6275869), (3533028, 5944105), (3566463, 5888380), (4416285, 4755284)]