21534325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2203}}^1$

素因数の和:2253

約数の個数: 24

約数和(自身を含む): 29515968

約数和(自身を除く): 7981643

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 2203, 9775, 11015, 37451, 50669, 55075, 187255, 253345, 861373, 936275, 1266725, 4306865, 21534325]

約数ペア:

[(1, 21534325), (5, 4306865), (17, 1266725), (23, 936275), (25, 861373), (85, 253345), (115, 187255), (391, 55075), (425, 50669), (575, 37451), (1955, 11015), (2203, 9775)]