2181964

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 4098528

約数和(自身を除く): 1916564

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 641, 851, 1282, 1702, 2564, 3404, 14743, 23717, 29486, 47434, 58972, 94868, 545491, 1090982, 2181964]

約数ペア:

[(1, 2181964), (2, 1090982), (4, 545491), (23, 94868), (37, 58972), (46, 47434), (74, 29486), (92, 23717), (148, 14743), (641, 3404), (851, 2564), (1282, 1702)]