21957169

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 2557391

約数列:

[1, 13, 37, 191, 239, 481, 2483, 3107, 7067, 8843, 45649, 91871, 114959, 593437, 1689013, 21957169]

約数ペア:

[(1, 21957169), (13, 1689013), (37, 593437), (191, 114959), (239, 91871), (481, 45649), (2483, 8843), (3107, 7067)]