21202862

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:1003

約数の個数: 16

約数和(自身を含む): 32558112

約数和(自身を除く): 11355250

約数列:

[1, 2, 53, 106, 317, 631, 634, 1262, 16801, 33443, 33602, 66886, 200027, 400054, 10601431, 21202862]

約数ペア:

[(1, 21202862), (2, 10601431), (53, 400054), (106, 200027), (317, 66886), (631, 33602), (634, 33443), (1262, 16801)]