21969968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 44782848

約数和(自身を除く): 22812880

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 227, 263, 368, 454, 526, 908, 1052, 1816, 2104, 3632, 4208, 5221, 6049, 10442, 12098, 20884, 24196, 41768, 48392, 59701, 83536, 96784, 119402, 238804, 477608, 955216, 1373123, 2746246, 5492492, 10984984, 21969968]

約数ペア:

[(1, 21969968), (2, 10984984), (4, 5492492), (8, 2746246), (16, 1373123), (23, 955216), (46, 477608), (92, 238804), (184, 119402), (227, 96784), (263, 83536), (368, 59701), (454, 48392), (526, 41768), (908, 24196), (1052, 20884), (1816, 12098), (2104, 10442), (3632, 6049), (4208, 5221)]