21637957

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{461}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 25147584

約数和(自身を除く): 3509627

約数列:

[1, 11, 17, 187, 251, 461, 2761, 4267, 5071, 7837, 46937, 86207, 115711, 1272821, 1967087, 21637957]

約数ペア:

[(1, 21637957), (11, 1967087), (17, 1272821), (187, 115711), (251, 86207), (461, 46937), (2761, 7837), (4267, 5071)]