21537204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{138059}}^1$

素因数の和:138079

約数の個数: 24

約数和(自身を含む): 54119520

約数和(自身を除く): 32582316

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 138059, 276118, 414177, 552236, 828354, 1656708, 1794767, 3589534, 5384301, 7179068, 10768602, 21537204]

約数ペア:

[(1, 21537204), (2, 10768602), (3, 7179068), (4, 5384301), (6, 3589534), (12, 1794767), (13, 1656708), (26, 828354), (39, 552236), (52, 414177), (78, 276118), (156, 138059)]