21885015

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9293}}^1$

素因数の和:9458

約数の個数: 16

約数和(自身を含む): 35242848

約数和(自身を除く): 13357833

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 9293, 27879, 46465, 139395, 1459001, 4377003, 7295005, 21885015]

約数ペア:

[(1, 21885015), (3, 7295005), (5, 4377003), (15, 1459001), (157, 139395), (471, 46465), (785, 27879), (2355, 9293)]