21032679

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{739}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 28771200

約数和(自身を除く): 7738521

約数列:

[1, 3, 53, 159, 179, 537, 739, 2217, 9487, 28461, 39167, 117501, 132281, 396843, 7010893, 21032679]

約数ペア:

[(1, 21032679), (3, 7010893), (53, 396843), (159, 132281), (179, 117501), (537, 39167), (739, 28461), (2217, 9487)]