21250710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 61090848

約数和(自身を除く): 39840138

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 41, 45, 65, 78, 82, 90, 117, 123, 130, 195, 205, 234, 246, 369, 390, 410, 443, 533, 585, 615, 738, 886, 1066, 1170, 1230, 1329, 1599, 1845, 2215, 2658, 2665, 3198, 3690, 3987, 4430, 4797, 5330, 5759, 6645, 7974, 7995, 9594, 11518, 13290, 15990, 17277, 18163, 19935, 23985, 28795, 34554, 36326, 39870, 47970, 51831, 54489, 57590, 86385, 90815, 103662, 108978, 163467, 172770, 181630, 236119, 259155, 272445, 326934, 472238, 518310, 544890, 708357, 817335, 1180595, 1416714, 1634670, 2125071, 2361190, 3541785, 4250142, 7083570, 10625355, 21250710]

約数ペア:

[(1, 21250710), (2, 10625355), (3, 7083570), (5, 4250142), (6, 3541785), (9, 2361190), (10, 2125071), (13, 1634670), (15, 1416714), (18, 1180595), (26, 817335), (30, 708357), (39, 544890), (41, 518310), (45, 472238), (65, 326934), (78, 272445), (82, 259155), (90, 236119), (117, 181630), (123, 172770), (130, 163467), (195, 108978), (205, 103662), (234, 90815), (246, 86385), (369, 57590), (390, 54489), (410, 51831), (443, 47970), (533, 39870), (585, 36326), (615, 34554), (738, 28795), (886, 23985), (1066, 19935), (1170, 18163), (1230, 17277), (1329, 15990), (1599, 13290), (1845, 11518), (2215, 9594), (2658, 7995), (2665, 7974), (3198, 6645), (3690, 5759), (3987, 5330), (4430, 4797)]