21546906

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{809}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 45256320

約数和(自身を除く): 23709414

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 193, 386, 579, 809, 1158, 1618, 2427, 4439, 4854, 8878, 13317, 18607, 26634, 37214, 55821, 111642, 156137, 312274, 468411, 936822, 3591151, 7182302, 10773453, 21546906]

約数ペア:

[(1, 21546906), (2, 10773453), (3, 7182302), (6, 3591151), (23, 936822), (46, 468411), (69, 312274), (138, 156137), (193, 111642), (386, 55821), (579, 37214), (809, 26634), (1158, 18607), (1618, 13317), (2427, 8878), (4439, 4854)]