21074240

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5987}}^1$

素因数の和:6015

約数の個数: 56

約数和(自身を含む): 54754272

約数和(自身を除く): 33680032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5987, 11974, 23948, 29935, 47896, 59870, 65857, 95792, 119740, 131714, 191584, 239480, 263428, 329285, 383168, 478960, 526856, 658570, 957920, 1053712, 1317140, 1915840, 2107424, 2634280, 4214848, 5268560, 10537120, 21074240]

約数ペア:

[(1, 21074240), (2, 10537120), (4, 5268560), (5, 4214848), (8, 2634280), (10, 2107424), (11, 1915840), (16, 1317140), (20, 1053712), (22, 957920), (32, 658570), (40, 526856), (44, 478960), (55, 383168), (64, 329285), (80, 263428), (88, 239480), (110, 191584), (160, 131714), (176, 119740), (220, 95792), (320, 65857), (352, 59870), (440, 47896), (704, 29935), (880, 23948), (1760, 11974), (3520, 5987)]