221418460

素因数分解:

$2^2\times 5^1\times {\mathrm{2693}}^1\times {\mathrm{4111}}^1$

素因数の和:6813

約数の個数: 24

約数和(自身を含む): 465264576

約数和(自身を除く): 243846116

約数列:

[1, 2, 4, 5, 10, 20, 2693, 4111, 5386, 8222, 10772, 13465, 16444, 20555, 26930, 41110, 53860, 82220, 11070923, 22141846, 44283692, 55354615, 110709230, 221418460]

約数ペア:

[(1, 221418460), (2, 110709230), (4, 55354615), (5, 44283692), (10, 22141846), (20, 11070923), (2693, 82220), (4111, 53860), (5386, 41110), (8222, 26930), (10772, 20555), (13465, 16444)]