21541110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31219}}^1$

素因数の和:31252

約数の個数: 32

約数和(自身を含む): 53948160

約数和(自身を除く): 32407050

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31219, 62438, 93657, 156095, 187314, 312190, 468285, 718037, 936570, 1436074, 2154111, 3590185, 4308222, 7180370, 10770555, 21541110]

約数ペア:

[(1, 21541110), (2, 10770555), (3, 7180370), (5, 4308222), (6, 3590185), (10, 2154111), (15, 1436074), (23, 936570), (30, 718037), (46, 468285), (69, 312190), (115, 187314), (138, 156095), (230, 93657), (345, 62438), (690, 31219)]