21389208

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{21737}}^1$

素因数の和:21787

約数の個数: 32

約数和(自身を含む): 54779760

約数和(自身を除く): 33390552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 21737, 43474, 65211, 86948, 130422, 173896, 260844, 521688, 891217, 1782434, 2673651, 3564868, 5347302, 7129736, 10694604, 21389208]

約数ペア:

[(1, 21389208), (2, 10694604), (3, 7129736), (4, 5347302), (6, 3564868), (8, 2673651), (12, 1782434), (24, 891217), (41, 521688), (82, 260844), (123, 173896), (164, 130422), (246, 86948), (328, 65211), (492, 43474), (984, 21737)]