21036610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15817}}^1$

素因数の和:15850

約数の個数: 32

約数和(自身を含む): 45555840

約数和(自身を除く): 24519230

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15817, 31634, 79085, 110719, 158170, 221438, 300523, 553595, 601046, 1107190, 1502615, 2103661, 3005230, 4207322, 10518305, 21036610]

約数ペア:

[(1, 21036610), (2, 10518305), (5, 4207322), (7, 3005230), (10, 2103661), (14, 1502615), (19, 1107190), (35, 601046), (38, 553595), (70, 300523), (95, 221438), (133, 158170), (190, 110719), (266, 79085), (665, 31634), (1330, 15817)]