21049410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6947}}^1$

素因数の和:7058

約数の個数: 32

約数和(自身を含む): 51026112

約数和(自身を除く): 29976702

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 505, 606, 1010, 1515, 3030, 6947, 13894, 20841, 34735, 41682, 69470, 104205, 208410, 701647, 1403294, 2104941, 3508235, 4209882, 7016470, 10524705, 21049410]

約数ペア:

[(1, 21049410), (2, 10524705), (3, 7016470), (5, 4209882), (6, 3508235), (10, 2104941), (15, 1403294), (30, 701647), (101, 208410), (202, 104205), (303, 69470), (505, 41682), (606, 34735), (1010, 20841), (1515, 13894), (3030, 6947)]