21309624

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42281}}^1$

素因数の和:42300

約数の個数: 48

約数和(自身を含む): 65959920

約数和(自身を除く): 44650296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42281, 84562, 126843, 169124, 253686, 295967, 338248, 380529, 507372, 591934, 761058, 887901, 1014744, 1183868, 1522116, 1775802, 2367736, 2663703, 3044232, 3551604, 5327406, 7103208, 10654812, 21309624]

約数ペア:

[(1, 21309624), (2, 10654812), (3, 7103208), (4, 5327406), (6, 3551604), (7, 3044232), (8, 2663703), (9, 2367736), (12, 1775802), (14, 1522116), (18, 1183868), (21, 1014744), (24, 887901), (28, 761058), (36, 591934), (42, 507372), (56, 380529), (63, 338248), (72, 295967), (84, 253686), (126, 169124), (168, 126843), (252, 84562), (504, 42281)]