21303204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136559}}^1$

素因数の和:136579

約数の個数: 24

約数和(自身を含む): 53531520

約数和(自身を除く): 32228316

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136559, 273118, 409677, 546236, 819354, 1638708, 1775267, 3550534, 5325801, 7101068, 10651602, 21303204]

約数ペア:

[(1, 21303204), (2, 10651602), (3, 7101068), (4, 5325801), (6, 3550534), (12, 1775267), (13, 1638708), (26, 819354), (39, 546236), (52, 409677), (78, 273118), (156, 136559)]