21573425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2207}}^1$

素因数の和:2257

約数の個数: 24

約数和(自身を含む): 29569536

約数和(自身を除く): 7996111

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 2207, 9775, 11035, 37519, 50761, 55175, 187595, 253805, 862937, 937975, 1269025, 4314685, 21573425]

約数ペア:

[(1, 21573425), (5, 4314685), (17, 1269025), (23, 937975), (25, 862937), (85, 253805), (115, 187595), (391, 55175), (425, 50761), (575, 37519), (1955, 11035), (2207, 9775)]