21158116

素因数分解:

$2^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{2579}}^1$

素因数の和:2883

約数の個数: 24

約数和(自身を含む): 42477120

約数和(自身を除く): 21319004

約数列:

[1, 2, 4, 7, 14, 28, 293, 586, 1172, 2051, 2579, 4102, 5158, 8204, 10316, 18053, 36106, 72212, 755647, 1511294, 3022588, 5289529, 10579058, 21158116]

約数ペア:

[(1, 21158116), (2, 10579058), (4, 5289529), (7, 3022588), (14, 1511294), (28, 755647), (293, 72212), (586, 36106), (1172, 18053), (2051, 10316), (2579, 8204), (4102, 5158)]