21584886

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{659}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 22893834

約数列:

[1, 2, 3, 6, 53, 103, 106, 159, 206, 309, 318, 618, 659, 1318, 1977, 3954, 5459, 10918, 16377, 32754, 34927, 67877, 69854, 104781, 135754, 203631, 209562, 407262, 3597481, 7194962, 10792443, 21584886]

約数ペア:

[(1, 21584886), (2, 10792443), (3, 7194962), (6, 3597481), (53, 407262), (103, 209562), (106, 203631), (159, 135754), (206, 104781), (309, 69854), (318, 67877), (618, 34927), (659, 32754), (1318, 16377), (1977, 10918), (3954, 5459)]