21128436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83843}}^1$

素因数の和:83860

約数の個数: 36

約数和(自身を含む): 61038432

約数和(自身を除く): 39909996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83843, 167686, 251529, 335372, 503058, 586901, 754587, 1006116, 1173802, 1509174, 1760703, 2347604, 3018348, 3521406, 5282109, 7042812, 10564218, 21128436]

約数ペア:

[(1, 21128436), (2, 10564218), (3, 7042812), (4, 5282109), (6, 3521406), (7, 3018348), (9, 2347604), (12, 1760703), (14, 1509174), (18, 1173802), (21, 1006116), (28, 754587), (36, 586901), (42, 503058), (63, 335372), (84, 251529), (126, 167686), (252, 83843)]