21819644

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70843}}^1$

素因数の和:70865

約数の個数: 24

約数和(自身を含む): 47607168

約数和(自身を除く): 25787524

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70843, 141686, 283372, 495901, 779273, 991802, 1558546, 1983604, 3117092, 5454911, 10909822, 21819644]

約数ペア:

[(1, 21819644), (2, 10909822), (4, 5454911), (7, 3117092), (11, 1983604), (14, 1558546), (22, 991802), (28, 779273), (44, 495901), (77, 283372), (154, 141686), (308, 70843)]