21652392

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20981}}^1$

素因数の和:21033

約数の個数: 32

約数和(自身を含む): 55392480

約数和(自身を除く): 33740088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20981, 41962, 62943, 83924, 125886, 167848, 251772, 503544, 902183, 1804366, 2706549, 3608732, 5413098, 7217464, 10826196, 21652392]

約数ペア:

[(1, 21652392), (2, 10826196), (3, 7217464), (4, 5413098), (6, 3608732), (8, 2706549), (12, 1804366), (24, 902183), (43, 503544), (86, 251772), (129, 167848), (172, 125886), (258, 83924), (344, 62943), (516, 41962), (1032, 20981)]