21894075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13901}}^1$

素因数の和:13924

約数の個数: 36

約数和(自身を含む): 44820048

約数和(自身を除く): 22925973

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 13901, 41703, 69505, 97307, 125109, 208515, 291921, 347525, 486535, 625545, 875763, 1042575, 1459605, 2432675, 3127725, 4378815, 7298025, 21894075]

約数ペア:

[(1, 21894075), (3, 7298025), (5, 4378815), (7, 3127725), (9, 2432675), (15, 1459605), (21, 1042575), (25, 875763), (35, 625545), (45, 486535), (63, 347525), (75, 291921), (105, 208515), (175, 125109), (225, 97307), (315, 69505), (525, 41703), (1575, 13901)]