21190988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58217}}^1$

素因数の和:58241

約数の個数: 24

約数和(自身を含む): 45642912

約数和(自身を除く): 24451924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58217, 116434, 232868, 407519, 756821, 815038, 1513642, 1630076, 3027284, 5297747, 10595494, 21190988]

約数ペア:

[(1, 21190988), (2, 10595494), (4, 5297747), (7, 3027284), (13, 1630076), (14, 1513642), (26, 815038), (28, 756821), (52, 407519), (91, 232868), (182, 116434), (364, 58217)]