21311262

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18793}}^1$

素因数の和:18814

約数の個数: 40

約数和(自身を含む): 54577776

約数和(自身を除く): 33266514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18793, 37586, 56379, 112758, 131551, 169137, 263102, 338274, 394653, 507411, 789306, 1014822, 1183959, 1522233, 2367918, 3044466, 3551877, 7103754, 10655631, 21311262]

約数ペア:

[(1, 21311262), (2, 10655631), (3, 7103754), (6, 3551877), (7, 3044466), (9, 2367918), (14, 1522233), (18, 1183959), (21, 1014822), (27, 789306), (42, 507411), (54, 394653), (63, 338274), (81, 263102), (126, 169137), (162, 131551), (189, 112758), (378, 56379), (567, 37586), (1134, 18793)]