21706025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4643}}^1$

素因数の和:4681

約数の個数: 24

約数和(自身を含む): 31096224

約数和(自身を除く): 9390199

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4643, 4675, 23215, 51073, 78931, 116075, 255365, 394655, 868241, 1276825, 1973275, 4341205, 21706025]

約数ペア:

[(1, 21706025), (5, 4341205), (11, 1973275), (17, 1276825), (25, 868241), (55, 394655), (85, 255365), (187, 116075), (275, 78931), (425, 51073), (935, 23215), (4643, 4675)]