21473516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{691}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 39933936

約数和(自身を除く): 18460420

約数列:

[1, 2, 4, 17, 34, 68, 457, 691, 914, 1382, 1828, 2764, 7769, 11747, 15538, 23494, 31076, 46988, 315787, 631574, 1263148, 5368379, 10736758, 21473516]

約数ペア:

[(1, 21473516), (2, 10736758), (4, 5368379), (17, 1263148), (34, 631574), (68, 315787), (457, 46988), (691, 31076), (914, 23494), (1382, 15538), (1828, 11747), (2764, 7769)]