21669764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7411}}^1$

素因数の和:7475

約数の個数: 24

約数和(自身を含む): 41092128

約数和(自身を除く): 19422364

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 7411, 14822, 29644, 125987, 251974, 318673, 503948, 637346, 1274692, 5417441, 10834882, 21669764]

約数ペア:

[(1, 21669764), (2, 10834882), (4, 5417441), (17, 1274692), (34, 637346), (43, 503948), (68, 318673), (86, 251974), (172, 125987), (731, 29644), (1462, 14822), (2924, 7411)]