21003448

素因数分解:

$2^3\times {\mathrm{1151}}^1\times {\mathrm{2281}}^1$

素因数の和:3438

約数の個数: 16

約数和(自身を含む): 39432960

約数和(自身を除く): 18429512

約数列:

[1, 2, 4, 8, 1151, 2281, 2302, 4562, 4604, 9124, 9208, 18248, 2625431, 5250862, 10501724, 21003448]

約数ペア:

[(1, 21003448), (2, 10501724), (4, 5250862), (8, 2625431), (1151, 18248), (2281, 9208), (2302, 9124), (4562, 4604)]