21003669965

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{1021}}^1\times {\mathrm{87539}}^1$

素因数の和:88612

約数の個数: 16

約数和(自身を含む): 25766173440

約数和(自身を除く): 4762503475

約数列:

[1, 5, 47, 235, 1021, 5105, 47987, 87539, 239935, 437695, 4114333, 20571665, 89377319, 446886595, 4200733993, 21003669965]

約数ペア:

[(1, 21003669965), (5, 4200733993), (47, 446886595), (235, 89377319), (1021, 20571665), (5105, 4114333), (47987, 437695), (87539, 239935)]