21192268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8423}}^1$

素因数の和:8481

約数の個数: 24

約数和(自身を含む): 40334112

約数和(自身を除く): 19141844

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8423, 16846, 33692, 143191, 286382, 311651, 572764, 623302, 1246604, 5298067, 10596134, 21192268]

約数ペア:

[(1, 21192268), (2, 10596134), (4, 5298067), (17, 1246604), (34, 623302), (37, 572764), (68, 311651), (74, 286382), (148, 143191), (629, 33692), (1258, 16846), (2516, 8423)]