21908662

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1987}}^1$

素因数の和:2175

約数の個数: 16

約数和(自身を含む): 33994800

約数和(自身を除く): 12086138

約数列:

[1, 2, 37, 74, 149, 298, 1987, 3974, 5513, 11026, 73519, 147038, 296063, 592126, 10954331, 21908662]

約数ペア:

[(1, 21908662), (2, 10954331), (37, 592126), (74, 296063), (149, 147038), (298, 73519), (1987, 11026), (3974, 5513)]