21365132

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{599}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 38623200

約数和(自身を除く): 17258068

約数列:

[1, 2, 4, 37, 74, 148, 241, 482, 599, 964, 1198, 2396, 8917, 17834, 22163, 35668, 44326, 88652, 144359, 288718, 577436, 5341283, 10682566, 21365132]

約数ペア:

[(1, 21365132), (2, 10682566), (4, 5341283), (37, 577436), (74, 288718), (148, 144359), (241, 88652), (482, 44326), (599, 35668), (964, 22163), (1198, 17834), (2396, 8917)]