21388244

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2083}}^1$

素因数の和:2255

約数の個数: 24

約数和(自身を含む): 39912768

約数和(自身を除く): 18524524

約数列:

[1, 2, 4, 17, 34, 68, 151, 302, 604, 2083, 2567, 4166, 5134, 8332, 10268, 35411, 70822, 141644, 314533, 629066, 1258132, 5347061, 10694122, 21388244]

約数ペア:

[(1, 21388244), (2, 10694122), (4, 5347061), (17, 1258132), (34, 629066), (68, 314533), (151, 141644), (302, 70822), (604, 35411), (2083, 10268), (2567, 8332), (4166, 5134)]