21819116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6793}}^1$

素因数の和:6881

約数の個数: 24

約数和(自身を含む): 42231504

約数和(自身を除く): 20412388

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6793, 13586, 27172, 74723, 149446, 298892, 495889, 991778, 1983556, 5454779, 10909558, 21819116]

約数ペア:

[(1, 21819116), (2, 10909558), (4, 5454779), (11, 1983556), (22, 991778), (44, 495889), (73, 298892), (146, 149446), (292, 74723), (803, 27172), (1606, 13586), (3212, 6793)]