21880453045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5603189}}^1$

素因数の和:5603276

約数の個数: 16

約数和(自身を含む): 29046936960

約数和(自身を除く): 7166483915

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 5603189, 28015945, 61635079, 308175395, 397826419, 1989132095, 4376090609, 21880453045]

約数ペア:

[(1, 21880453045), (5, 4376090609), (11, 1989132095), (55, 397826419), (71, 308175395), (355, 61635079), (781, 28015945), (3905, 5603189)]