21004796

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{997}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 38562720

約数和(自身を除く): 17557924

約数列:

[1, 2, 4, 23, 46, 92, 229, 458, 916, 997, 1994, 3988, 5267, 10534, 21068, 22931, 45862, 91724, 228313, 456626, 913252, 5251199, 10502398, 21004796]

約数ペア:

[(1, 21004796), (2, 10502398), (4, 5251199), (23, 913252), (46, 456626), (92, 228313), (229, 91724), (458, 45862), (916, 22931), (997, 21068), (1994, 10534), (3988, 5267)]