21519367051

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5767721}}^1$

素因数の和:5767782

約数の個数: 16

約数和(自身を含む): 27131364288

約数和(自身を除く): 5611997237

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5767721, 40374047, 74980373, 236476561, 524862611, 1655335927, 3074195293, 21519367051]

約数ペア:

[(1, 21519367051), (7, 3074195293), (13, 1655335927), (41, 524862611), (91, 236476561), (287, 74980373), (533, 40374047), (3731, 5767721)]