21921908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8713}}^1$

素因数の和:8771

約数の個数: 24

約数和(自身を含む): 41722632

約数和(自身を除く): 19800724

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8713, 17426, 34852, 148121, 296242, 322381, 592484, 644762, 1289524, 5480477, 10960954, 21921908]

約数ペア:

[(1, 21921908), (2, 10960954), (4, 5480477), (17, 1289524), (34, 644762), (37, 592484), (68, 322381), (74, 296242), (148, 148121), (629, 34852), (1258, 17426), (2516, 8713)]