21314556

素因数分解:

$2^2\times 3^3\times {\mathrm{151}}^1\times {\mathrm{1307}}^1$

素因数の和:1471

約数の個数: 48

約数和(自身を含む): 55668480

約数和(自身を除く): 34353924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 151, 302, 453, 604, 906, 1307, 1359, 1812, 2614, 2718, 3921, 4077, 5228, 5436, 7842, 8154, 11763, 15684, 16308, 23526, 35289, 47052, 70578, 141156, 197357, 394714, 592071, 789428, 1184142, 1776213, 2368284, 3552426, 5328639, 7104852, 10657278, 21314556]

約数ペア:

[(1, 21314556), (2, 10657278), (3, 7104852), (4, 5328639), (6, 3552426), (9, 2368284), (12, 1776213), (18, 1184142), (27, 789428), (36, 592071), (54, 394714), (108, 197357), (151, 141156), (302, 70578), (453, 47052), (604, 35289), (906, 23526), (1307, 16308), (1359, 15684), (1812, 11763), (2614, 8154), (2718, 7842), (3921, 5436), (4077, 5228)]