21840696

素因数分解:

$2^3\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1861}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 59546760

約数和(自身を除く): 37706064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 163, 326, 489, 652, 978, 1304, 1467, 1861, 1956, 2934, 3722, 3912, 5583, 5868, 7444, 11166, 11736, 14888, 16749, 22332, 33498, 44664, 66996, 133992, 303343, 606686, 910029, 1213372, 1820058, 2426744, 2730087, 3640116, 5460174, 7280232, 10920348, 21840696]

約数ペア:

[(1, 21840696), (2, 10920348), (3, 7280232), (4, 5460174), (6, 3640116), (8, 2730087), (9, 2426744), (12, 1820058), (18, 1213372), (24, 910029), (36, 606686), (72, 303343), (163, 133992), (326, 66996), (489, 44664), (652, 33498), (978, 22332), (1304, 16749), (1467, 14888), (1861, 11736), (1956, 11166), (2934, 7444), (3722, 5868), (3912, 5583)]