21796016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2099}}^1$

素因数の和:2177

約数の個数: 40

約数和(自身を含む): 46872000

約数和(自身を除く): 25075984

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 59, 88, 118, 176, 236, 472, 649, 944, 1298, 2099, 2596, 4198, 5192, 8396, 10384, 16792, 23089, 33584, 46178, 92356, 123841, 184712, 247682, 369424, 495364, 990728, 1362251, 1981456, 2724502, 5449004, 10898008, 21796016]

約数ペア:

[(1, 21796016), (2, 10898008), (4, 5449004), (8, 2724502), (11, 1981456), (16, 1362251), (22, 990728), (44, 495364), (59, 369424), (88, 247682), (118, 184712), (176, 123841), (236, 92356), (472, 46178), (649, 33584), (944, 23089), (1298, 16792), (2099, 10384), (2596, 8396), (4198, 5192)]