21565128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{69119}}^1$

素因数の和:69141

約数の個数: 32

約数和(自身を含む): 58060800

約数和(自身を除く): 36495672

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 69119, 138238, 207357, 276476, 414714, 552952, 829428, 898547, 1658856, 1797094, 2695641, 3594188, 5391282, 7188376, 10782564, 21565128]

約数ペア:

[(1, 21565128), (2, 10782564), (3, 7188376), (4, 5391282), (6, 3594188), (8, 2695641), (12, 1797094), (13, 1658856), (24, 898547), (26, 829428), (39, 552952), (52, 414714), (78, 276476), (104, 207357), (156, 138238), (312, 69119)]