21371091

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59863}}^1$

素因数の和:59890

約数の個数: 16

約数和(自身を含む): 34481664

約数和(自身を除く): 13110573

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59863, 179589, 419041, 1017671, 1257123, 3053013, 7123697, 21371091]

約数ペア:

[(1, 21371091), (3, 7123697), (7, 3053013), (17, 1257123), (21, 1017671), (51, 419041), (119, 179589), (357, 59863)]