21034786

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1423}}^1$

素因数の和:1833

約数の個数: 16

約数和(自身を含む): 33321600

約数和(自身を除く): 12286814

約数列:

[1, 2, 19, 38, 389, 778, 1423, 2846, 7391, 14782, 27037, 54074, 553547, 1107094, 10517393, 21034786]

約数ペア:

[(1, 21034786), (2, 10517393), (19, 1107094), (38, 553547), (389, 54074), (778, 27037), (1423, 14782), (2846, 7391)]