21029658

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5087}}^1$

素因数の和:5158

約数の個数: 32

約数和(自身を含む): 46158336

約数和(自身を除く): 25128678

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 5087, 10174, 15261, 30522, 66131, 132262, 198393, 269611, 396786, 539222, 808833, 1617666, 3504943, 7009886, 10514829, 21029658]

約数ペア:

[(1, 21029658), (2, 10514829), (3, 7009886), (6, 3504943), (13, 1617666), (26, 808833), (39, 539222), (53, 396786), (78, 269611), (106, 198393), (159, 132262), (318, 66131), (689, 30522), (1378, 15261), (2067, 10174), (4134, 5087)]