21889648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:745

約数の個数: 40

約数和(自身を含む): 46537200

約数和(自身を除く): 24647552

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 277, 449, 554, 898, 1108, 1796, 2216, 3047, 3592, 4432, 4939, 6094, 7184, 9878, 12188, 19756, 24376, 39512, 48752, 79024, 124373, 248746, 497492, 994984, 1368103, 1989968, 2736206, 5472412, 10944824, 21889648]

約数ペア:

[(1, 21889648), (2, 10944824), (4, 5472412), (8, 2736206), (11, 1989968), (16, 1368103), (22, 994984), (44, 497492), (88, 248746), (176, 124373), (277, 79024), (449, 48752), (554, 39512), (898, 24376), (1108, 19756), (1796, 12188), (2216, 9878), (3047, 7184), (3592, 6094), (4432, 4939)]