21499686614

素因数分解:

$2^1\times 7^1\times {\mathrm{1367}}^1\times {\mathrm{1123403}}^1$

素因数の和:1124779

約数の個数: 16

約数和(自身を含む): 36883600128

約数和(自身を除く): 15383913514

約数列:

[1, 2, 7, 14, 1367, 2734, 9569, 19138, 1123403, 2246806, 7863821, 15727642, 1535691901, 3071383802, 10749843307, 21499686614]

約数ペア:

[(1, 21499686614), (2, 10749843307), (7, 3071383802), (14, 1535691901), (1367, 15727642), (2734, 7863821), (9569, 2246806), (19138, 1123403)]