21753668

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{461}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 39118464

約数和(自身を除く): 17364796

約数列:

[1, 2, 4, 47, 94, 188, 251, 461, 502, 922, 1004, 1844, 11797, 21667, 23594, 43334, 47188, 86668, 115711, 231422, 462844, 5438417, 10876834, 21753668]

約数ペア:

[(1, 21753668), (2, 10876834), (4, 5438417), (47, 462844), (94, 231422), (188, 115711), (251, 86668), (461, 47188), (502, 43334), (922, 23594), (1004, 21667), (1844, 11797)]