21160972

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24379}}^1$

素因数の和:24421

約数の個数: 24

約数和(自身を含む): 43688960

約数和(自身を除く): 22527988

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24379, 48758, 97516, 170653, 341306, 682612, 755749, 1511498, 3022996, 5290243, 10580486, 21160972]

約数ペア:

[(1, 21160972), (2, 10580486), (4, 5290243), (7, 3022996), (14, 1511498), (28, 755749), (31, 682612), (62, 341306), (124, 170653), (217, 97516), (434, 48758), (868, 24379)]