21596575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 35997696

約数和(自身を除く): 14401121

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 863, 1001, 1925, 2275, 3575, 4315, 5005, 6041, 9493, 11219, 21575, 25025, 30205, 47465, 56095, 66451, 78533, 123409, 151025, 237325, 280475, 332255, 392665, 617045, 863863, 1661275, 1963325, 3085225, 4319315, 21596575]

約数ペア:

[(1, 21596575), (5, 4319315), (7, 3085225), (11, 1963325), (13, 1661275), (25, 863863), (35, 617045), (55, 392665), (65, 332255), (77, 280475), (91, 237325), (143, 151025), (175, 123409), (275, 78533), (325, 66451), (385, 56095), (455, 47465), (715, 30205), (863, 25025), (1001, 21575), (1925, 11219), (2275, 9493), (3575, 6041), (4315, 5005)]