21782038

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1549}}^1$

素因数の和:1719

約数の個数: 16

約数和(自身を含む): 33480000

約数和(自身を除く): 11697962

約数列:

[1, 2, 79, 89, 158, 178, 1549, 3098, 7031, 14062, 122371, 137861, 244742, 275722, 10891019, 21782038]

約数ペア:

[(1, 21782038), (2, 10891019), (79, 275722), (89, 244742), (158, 137861), (178, 122371), (1549, 14062), (3098, 7031)]