21179435

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4283}}^1$

素因数の和:4354

約数の個数: 16

約数和(自身を含む): 27143424

約数和(自身を除く): 5963989

約数列:

[1, 5, 23, 43, 115, 215, 989, 4283, 4945, 21415, 98509, 184169, 492545, 920845, 4235887, 21179435]

約数ペア:

[(1, 21179435), (5, 4235887), (23, 920845), (43, 492545), (115, 184169), (215, 98509), (989, 21415), (4283, 4945)]