21887704

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{9467}}^1$

素因数の和:9507

約数の個数: 24

約数和(自身を含む): 43600140

約数和(自身を除く): 21712436

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 9467, 18934, 37868, 75736, 160939, 321878, 643756, 1287512, 2735963, 5471926, 10943852, 21887704]

約数ペア:

[(1, 21887704), (2, 10943852), (4, 5471926), (8, 2735963), (17, 1287512), (34, 643756), (68, 321878), (136, 160939), (289, 75736), (578, 37868), (1156, 18934), (2312, 9467)]