21972016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 46854144

約数和(自身を除く): 24882128

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 127, 176, 254, 508, 983, 1016, 1397, 1966, 2032, 2794, 3932, 5588, 7864, 10813, 11176, 15728, 21626, 22352, 43252, 86504, 124841, 173008, 249682, 499364, 998728, 1373251, 1997456, 2746502, 5493004, 10986008, 21972016]

約数ペア:

[(1, 21972016), (2, 10986008), (4, 5493004), (8, 2746502), (11, 1997456), (16, 1373251), (22, 998728), (44, 499364), (88, 249682), (127, 173008), (176, 124841), (254, 86504), (508, 43252), (983, 22352), (1016, 21626), (1397, 15728), (1966, 11176), (2032, 10813), (2794, 7864), (3932, 5588)]