21147406

素因数分解:

$2^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{2683}}^1$

素因数の和:3255

約数の個数: 16

約数和(自身を含む): 36330624

約数和(自身を除く): 15183218

約数列:

[1, 2, 7, 14, 563, 1126, 2683, 3941, 5366, 7882, 18781, 37562, 1510529, 3021058, 10573703, 21147406]

約数ペア:

[(1, 21147406), (2, 10573703), (7, 3021058), (14, 1510529), (563, 37562), (1126, 18781), (2683, 7882), (3941, 5366)]