21296758

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 40792320

約数和(自身を除く): 19495562

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 59, 118, 133, 161, 266, 322, 413, 437, 826, 874, 1121, 1357, 2242, 2714, 3059, 3481, 6118, 6962, 7847, 9499, 15694, 18998, 24367, 25783, 48734, 51566, 66139, 80063, 132278, 160126, 180481, 360962, 462973, 560441, 925946, 1120882, 1521197, 3042394, 10648379, 21296758]

約数ペア:

[(1, 21296758), (2, 10648379), (7, 3042394), (14, 1521197), (19, 1120882), (23, 925946), (38, 560441), (46, 462973), (59, 360962), (118, 180481), (133, 160126), (161, 132278), (266, 80063), (322, 66139), (413, 51566), (437, 48734), (826, 25783), (874, 24367), (1121, 18998), (1357, 15694), (2242, 9499), (2714, 7847), (3059, 6962), (3481, 6118)]