21859300

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2767}}^1$

素因数の和:2860

約数の個数: 36

約数和(自身を含む): 48052480

約数和(自身を除く): 26193180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2767, 3950, 5534, 7900, 11068, 13835, 27670, 55340, 69175, 138350, 218593, 276700, 437186, 874372, 1092965, 2185930, 4371860, 5464825, 10929650, 21859300]

約数ペア:

[(1, 21859300), (2, 10929650), (4, 5464825), (5, 4371860), (10, 2185930), (20, 1092965), (25, 874372), (50, 437186), (79, 276700), (100, 218593), (158, 138350), (316, 69175), (395, 55340), (790, 27670), (1580, 13835), (1975, 11068), (2767, 7900), (3950, 5534)]