21146644

素因数分解:

$2^2\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 37657088

約数和(自身を除く): 16510444

約数列:

[1, 2, 4, 151, 157, 223, 302, 314, 446, 604, 628, 892, 23707, 33673, 35011, 47414, 67346, 70022, 94828, 134692, 140044, 5286661, 10573322, 21146644]

約数ペア:

[(1, 21146644), (2, 10573322), (4, 5286661), (151, 140044), (157, 134692), (223, 94828), (302, 70022), (314, 67346), (446, 47414), (604, 35011), (628, 33673), (892, 23707)]