21876376

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 20056424

約数列:

[1, 2, 4, 8, 103, 139, 191, 206, 278, 382, 412, 556, 764, 824, 1112, 1528, 14317, 19673, 26549, 28634, 39346, 53098, 57268, 78692, 106196, 114536, 157384, 212392, 2734547, 5469094, 10938188, 21876376]

約数ペア:

[(1, 21876376), (2, 10938188), (4, 5469094), (8, 2734547), (103, 212392), (139, 157384), (191, 114536), (206, 106196), (278, 78692), (382, 57268), (412, 53098), (556, 39346), (764, 28634), (824, 26549), (1112, 19673), (1528, 14317)]