21930425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4691}}^1$

素因数の和:4729

約数の個数: 24

約数和(自身を含む): 31417632

約数和(自身を除く): 9487207

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4675, 4691, 23455, 51601, 79747, 117275, 258005, 398735, 877217, 1290025, 1993675, 4386085, 21930425]

約数ペア:

[(1, 21930425), (5, 4386085), (11, 1993675), (17, 1290025), (25, 877217), (55, 398735), (85, 258005), (187, 117275), (275, 79747), (425, 51601), (935, 23455), (4675, 4691)]