21620015524

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1\times {\mathrm{2143}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 38857512960

約数和(自身を除く): 17237497436

約数列:

[1, 2, 4, 61, 122, 173, 239, 244, 346, 478, 692, 956, 2143, 4286, 8572, 10553, 14579, 21106, 29158, 41347, 42212, 58316, 82694, 130723, 165388, 261446, 370739, 512177, 522892, 741478, 1024354, 1482956, 2048708, 2522167, 5044334, 10088668, 22615079, 31242797, 45230158, 62485594, 88606621, 90460316, 124971188, 177213242, 354426484, 5405003881, 10810007762, 21620015524]

約数ペア:

[(1, 21620015524), (2, 10810007762), (4, 5405003881), (61, 354426484), (122, 177213242), (173, 124971188), (239, 90460316), (244, 88606621), (346, 62485594), (478, 45230158), (692, 31242797), (956, 22615079), (2143, 10088668), (4286, 5044334), (8572, 2522167), (10553, 2048708), (14579, 1482956), (21106, 1024354), (29158, 741478), (41347, 522892), (42212, 512177), (58316, 370739), (82694, 261446), (130723, 165388)]