21595257136

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2494831}}^1$

素因数の和:2495380

約数の個数: 20

約数和(自身を含む): 41918167264

約数和(自身を除く): 20322910128

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 4328, 8656, 2494831, 4989662, 9979324, 19958648, 39917296, 1349703571, 2699407142, 5398814284, 10797628568, 21595257136]

約数ペア:

[(1, 21595257136), (2, 10797628568), (4, 5398814284), (8, 2699407142), (16, 1349703571), (541, 39917296), (1082, 19958648), (2164, 9979324), (4328, 4989662), (8656, 2494831)]