21717150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 192

約数和(自身を含む): 69662208

約数和(自身を除く): 47945058

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 37, 39, 42, 43, 50, 65, 70, 74, 75, 78, 86, 91, 105, 111, 129, 130, 150, 175, 182, 185, 195, 210, 215, 222, 258, 259, 273, 301, 325, 350, 370, 390, 430, 455, 481, 518, 525, 546, 555, 559, 602, 645, 650, 777, 903, 910, 925, 962, 975, 1050, 1075, 1110, 1118, 1290, 1295, 1365, 1443, 1505, 1554, 1591, 1677, 1806, 1850, 1950, 2150, 2275, 2405, 2590, 2730, 2775, 2795, 2886, 3010, 3182, 3225, 3354, 3367, 3885, 3913, 4515, 4550, 4773, 4810, 5550, 5590, 6450, 6475, 6734, 6825, 7215, 7525, 7770, 7826, 7955, 8385, 9030, 9546, 10101, 11137, 11739, 12025, 12950, 13650, 13975, 14430, 15050, 15910, 16770, 16835, 19425, 19565, 20202, 20683, 22274, 22575, 23478, 23865, 24050, 27950, 33411, 33670, 36075, 38850, 39130, 39775, 41366, 41925, 45150, 47730, 50505, 55685, 58695, 62049, 66822, 72150, 79550, 83850, 84175, 97825, 101010, 103415, 111370, 117390, 119325, 124098, 144781, 167055, 168350, 195650, 206830, 238650, 252525, 278425, 289562, 293475, 310245, 334110, 434343, 505050, 517075, 556850, 586950, 620490, 723905, 835275, 868686, 1034150, 1447810, 1551225, 1670550, 2171715, 3102450, 3619525, 4343430, 7239050, 10858575, 21717150]

約数ペア:

[(1, 21717150), (2, 10858575), (3, 7239050), (5, 4343430), (6, 3619525), (7, 3102450), (10, 2171715), (13, 1670550), (14, 1551225), (15, 1447810), (21, 1034150), (25, 868686), (26, 835275), (30, 723905), (35, 620490), (37, 586950), (39, 556850), (42, 517075), (43, 505050), (50, 434343), (65, 334110), (70, 310245), (74, 293475), (75, 289562), (78, 278425), (86, 252525), (91, 238650), (105, 206830), (111, 195650), (129, 168350), (130, 167055), (150, 144781), (175, 124098), (182, 119325), (185, 117390), (195, 111370), (210, 103415), (215, 101010), (222, 97825), (258, 84175), (259, 83850), (273, 79550), (301, 72150), (325, 66822), (350, 62049), (370, 58695), (390, 55685), (430, 50505), (455, 47730), (481, 45150), (518, 41925), (525, 41366), (546, 39775), (555, 39130), (559, 38850), (602, 36075), (645, 33670), (650, 33411), (777, 27950), (903, 24050), (910, 23865), (925, 23478), (962, 22575), (975, 22274), (1050, 20683), (1075, 20202), (1110, 19565), (1118, 19425), (1290, 16835), (1295, 16770), (1365, 15910), (1443, 15050), (1505, 14430), (1554, 13975), (1591, 13650), (1677, 12950), (1806, 12025), (1850, 11739), (1950, 11137), (2150, 10101), (2275, 9546), (2405, 9030), (2590, 8385), (2730, 7955), (2775, 7826), (2795, 7770), (2886, 7525), (3010, 7215), (3182, 6825), (3225, 6734), (3354, 6475), (3367, 6450), (3885, 5590), (3913, 5550), (4515, 4810), (4550, 4773)]