21218686

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 35163072

約数和(自身を除く): 13944386

約数列:

[1, 2, 17, 34, 37, 74, 101, 167, 202, 334, 629, 1258, 1717, 2839, 3434, 3737, 5678, 6179, 7474, 12358, 16867, 33734, 63529, 105043, 127058, 210086, 286739, 573478, 624079, 1248158, 10609343, 21218686]

約数ペア:

[(1, 21218686), (2, 10609343), (17, 1248158), (34, 624079), (37, 573478), (74, 286739), (101, 210086), (167, 127058), (202, 105043), (334, 63529), (629, 33734), (1258, 16867), (1717, 12358), (2839, 7474), (3434, 6179), (3737, 5678)]