21573804973

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1\times {\mathrm{45817}}^1$

素因数の和:46452

約数の個数: 16

約数和(自身を含む): 24886871424

約数和(自身を除く): 3313066451

約数列:

[1, 7, 137, 491, 959, 3437, 45817, 67267, 320719, 470869, 6276929, 22496147, 43938503, 157473029, 3081972139, 21573804973]

約数ペア:

[(1, 21573804973), (7, 3081972139), (137, 157473029), (491, 43938503), (959, 22496147), (3437, 6276929), (45817, 470869), (67267, 320719)]