21168954

素因数分解:

$2^1\times 3^2\times {\mathrm{653}}^1\times {\mathrm{1801}}^1$

素因数の和:2462

約数の個数: 24

約数和(自身を含む): 45961812

約数和(自身を除く): 24792858

約数列:

[1, 2, 3, 6, 9, 18, 653, 1306, 1801, 1959, 3602, 3918, 5403, 5877, 10806, 11754, 16209, 32418, 1176053, 2352106, 3528159, 7056318, 10584477, 21168954]

約数ペア:

[(1, 21168954), (2, 10584477), (3, 7056318), (6, 3528159), (9, 2352106), (18, 1176053), (653, 32418), (1306, 16209), (1801, 11754), (1959, 10806), (3602, 5877), (3918, 5403)]