21873885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3083}}^1$

素因数の和:3145

約数の個数: 32

約数和(自身を含む): 39080448

約数和(自身を除く): 17206563

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 3083, 7095, 9249, 15415, 33913, 46245, 101739, 132569, 169565, 397707, 508695, 662845, 1458259, 1988535, 4374777, 7291295, 21873885]

約数ペア:

[(1, 21873885), (3, 7291295), (5, 4374777), (11, 1988535), (15, 1458259), (33, 662845), (43, 508695), (55, 397707), (129, 169565), (165, 132569), (215, 101739), (473, 46245), (645, 33913), (1419, 15415), (2365, 9249), (3083, 7095)]