21525570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1320

約数の個数: 96

約数和(自身を含む): 64696320

約数和(自身を除く): 43170750

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 85, 90, 99, 102, 110, 153, 165, 170, 187, 198, 255, 306, 330, 374, 495, 510, 561, 765, 935, 990, 1122, 1279, 1530, 1683, 1870, 2558, 2805, 3366, 3837, 5610, 6395, 7674, 8415, 11511, 12790, 14069, 16830, 19185, 21743, 23022, 28138, 38370, 42207, 43486, 57555, 65229, 70345, 84414, 108715, 115110, 126621, 130458, 140690, 195687, 211035, 217430, 239173, 253242, 326145, 391374, 422070, 478346, 633105, 652290, 717519, 978435, 1195865, 1266210, 1435038, 1956870, 2152557, 2391730, 3587595, 4305114, 7175190, 10762785, 21525570]

約数ペア:

[(1, 21525570), (2, 10762785), (3, 7175190), (5, 4305114), (6, 3587595), (9, 2391730), (10, 2152557), (11, 1956870), (15, 1435038), (17, 1266210), (18, 1195865), (22, 978435), (30, 717519), (33, 652290), (34, 633105), (45, 478346), (51, 422070), (55, 391374), (66, 326145), (85, 253242), (90, 239173), (99, 217430), (102, 211035), (110, 195687), (153, 140690), (165, 130458), (170, 126621), (187, 115110), (198, 108715), (255, 84414), (306, 70345), (330, 65229), (374, 57555), (495, 43486), (510, 42207), (561, 38370), (765, 28138), (935, 23022), (990, 21743), (1122, 19185), (1279, 16830), (1530, 14069), (1683, 12790), (1870, 11511), (2558, 8415), (2805, 7674), (3366, 6395), (3837, 5610)]