21206337

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{12829}}^1$

素因数の和:12880

約数の個数: 16

約数和(自身を含む): 30792000

約数和(自身を除く): 9585663

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 12829, 38487, 243751, 372041, 731253, 1116123, 7068779, 21206337]

約数ペア:

[(1, 21206337), (3, 7068779), (19, 1116123), (29, 731253), (57, 372041), (87, 243751), (551, 38487), (1653, 12829)]