21901810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10093}}^1$

素因数の和:10138

約数の個数: 32

約数和(自身を含む): 46513152

約数和(自身を除く): 24611342

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 10093, 20186, 50465, 70651, 100930, 141302, 312883, 353255, 625766, 706510, 1564415, 2190181, 3128830, 4380362, 10950905, 21901810]

約数ペア:

[(1, 21901810), (2, 10950905), (5, 4380362), (7, 3128830), (10, 2190181), (14, 1564415), (31, 706510), (35, 625766), (62, 353255), (70, 312883), (155, 141302), (217, 100930), (310, 70651), (434, 50465), (1085, 20186), (2170, 10093)]