21101247145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20192581}}^1$

素因数の和:20192616

約数の個数: 16

約数和(自身を含む): 29077318080

約数和(自身を除く): 7976070935

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 20192581, 100962905, 222118391, 383659039, 1110591955, 1918295195, 4220249429, 21101247145]

約数ペア:

[(1, 21101247145), (5, 4220249429), (11, 1918295195), (19, 1110591955), (55, 383659039), (95, 222118391), (209, 100962905), (1045, 20192581)]