21402774

素因数分解:

$2^1\times 3^2\times {\mathrm{349}}^1\times {\mathrm{3407}}^1$

素因数の和:3764

約数の個数: 24

約数和(自身を含む): 46519200

約数和(自身を除く): 25116426

約数列:

[1, 2, 3, 6, 9, 18, 349, 698, 1047, 2094, 3141, 3407, 6282, 6814, 10221, 20442, 30663, 61326, 1189043, 2378086, 3567129, 7134258, 10701387, 21402774]

約数ペア:

[(1, 21402774), (2, 10701387), (3, 7134258), (6, 3567129), (9, 2378086), (18, 1189043), (349, 61326), (698, 30663), (1047, 20442), (2094, 10221), (3141, 6814), (3407, 6282)]