21460572

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28387}}^1$

素因数の和:28407

約数の個数: 48

約数和(自身を含む): 63589120

約数和(自身を除く): 42128548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28387, 56774, 85161, 113548, 170322, 198709, 255483, 340644, 397418, 510966, 596127, 766449, 794836, 1021932, 1192254, 1532898, 1788381, 2384508, 3065796, 3576762, 5365143, 7153524, 10730286, 21460572]

約数ペア:

[(1, 21460572), (2, 10730286), (3, 7153524), (4, 5365143), (6, 3576762), (7, 3065796), (9, 2384508), (12, 1788381), (14, 1532898), (18, 1192254), (21, 1021932), (27, 794836), (28, 766449), (36, 596127), (42, 510966), (54, 397418), (63, 340644), (84, 255483), (108, 198709), (126, 170322), (189, 113548), (252, 85161), (378, 56774), (756, 28387)]