21818426

素因数分解:

$2^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{887}}^1$

素因数の和:1154

約数の個数: 24

約数和(自身を含む): 38265696

約数和(自身を除く): 16447270

約数列:

[1, 2, 7, 14, 49, 98, 251, 502, 887, 1757, 1774, 3514, 6209, 12299, 12418, 24598, 43463, 86926, 222637, 445274, 1558459, 3116918, 10909213, 21818426]

約数ペア:

[(1, 21818426), (2, 10909213), (7, 3116918), (14, 1558459), (49, 445274), (98, 222637), (251, 86926), (502, 43463), (887, 24598), (1757, 12418), (1774, 12299), (3514, 6209)]