21010154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 36049536

約数和(自身を除く): 15039382

約数列:

[1, 2, 11, 22, 37, 53, 74, 106, 407, 487, 583, 814, 974, 1166, 1961, 3922, 5357, 10714, 18019, 21571, 25811, 36038, 43142, 51622, 198209, 283921, 396418, 567842, 955007, 1910014, 10505077, 21010154]

約数ペア:

[(1, 21010154), (2, 10505077), (11, 1910014), (22, 955007), (37, 567842), (53, 396418), (74, 283921), (106, 198209), (407, 51622), (487, 43142), (583, 36038), (814, 25811), (974, 21571), (1166, 18019), (1961, 10714), (3922, 5357)]