21342750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 41556450

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 33, 39, 50, 55, 65, 66, 75, 78, 110, 125, 130, 143, 150, 165, 195, 199, 250, 275, 286, 325, 330, 375, 390, 398, 429, 550, 597, 650, 715, 750, 825, 858, 975, 995, 1194, 1375, 1430, 1625, 1650, 1950, 1990, 2145, 2189, 2587, 2750, 2985, 3250, 3575, 4125, 4290, 4378, 4875, 4975, 5174, 5970, 6567, 7150, 7761, 8250, 9750, 9950, 10725, 10945, 12935, 13134, 14925, 15522, 17875, 21450, 21890, 24875, 25870, 28457, 29850, 32835, 35750, 38805, 49750, 53625, 54725, 56914, 64675, 65670, 74625, 77610, 85371, 107250, 109450, 129350, 142285, 149250, 164175, 170742, 194025, 273625, 284570, 323375, 328350, 388050, 426855, 547250, 646750, 711425, 820875, 853710, 970125, 1422850, 1641750, 1940250, 2134275, 3557125, 4268550, 7114250, 10671375, 21342750]

約数ペア:

[(1, 21342750), (2, 10671375), (3, 7114250), (5, 4268550), (6, 3557125), (10, 2134275), (11, 1940250), (13, 1641750), (15, 1422850), (22, 970125), (25, 853710), (26, 820875), (30, 711425), (33, 646750), (39, 547250), (50, 426855), (55, 388050), (65, 328350), (66, 323375), (75, 284570), (78, 273625), (110, 194025), (125, 170742), (130, 164175), (143, 149250), (150, 142285), (165, 129350), (195, 109450), (199, 107250), (250, 85371), (275, 77610), (286, 74625), (325, 65670), (330, 64675), (375, 56914), (390, 54725), (398, 53625), (429, 49750), (550, 38805), (597, 35750), (650, 32835), (715, 29850), (750, 28457), (825, 25870), (858, 24875), (975, 21890), (995, 21450), (1194, 17875), (1375, 15522), (1430, 14925), (1625, 13134), (1650, 12935), (1950, 10945), (1990, 10725), (2145, 9950), (2189, 9750), (2587, 8250), (2750, 7761), (2985, 7150), (3250, 6567), (3575, 5970), (4125, 5174), (4290, 4975), (4378, 4875)]