21086836

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 37800000

約数和(自身を除く): 16713164

約数列:

[1, 2, 4, 59, 118, 199, 236, 398, 449, 796, 898, 1796, 11741, 23482, 26491, 46964, 52982, 89351, 105964, 178702, 357404, 5271709, 10543418, 21086836]

約数ペア:

[(1, 21086836), (2, 10543418), (4, 5271709), (59, 357404), (118, 178702), (199, 105964), (236, 89351), (398, 52982), (449, 46964), (796, 26491), (898, 23482), (1796, 11741)]