21576123

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 10435077

約数列:

[1, 3, 9, 59, 177, 179, 227, 531, 537, 681, 1611, 2043, 10561, 13393, 31683, 40179, 40633, 95049, 120537, 121899, 365697, 2397347, 7192041, 21576123]

約数ペア:

[(1, 21576123), (3, 7192041), (9, 2397347), (59, 365697), (177, 121899), (179, 120537), (227, 95049), (531, 40633), (537, 40179), (681, 31683), (1611, 13393), (2043, 10561)]