21225270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64319}}^1$

素因数の和:64340

約数の個数: 32

約数和(自身を含む): 55572480

約数和(自身を除く): 34347210

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64319, 128638, 192957, 321595, 385914, 643190, 707509, 964785, 1415018, 1929570, 2122527, 3537545, 4245054, 7075090, 10612635, 21225270]

約数ペア:

[(1, 21225270), (2, 10612635), (3, 7075090), (5, 4245054), (6, 3537545), (10, 2122527), (11, 1929570), (15, 1415018), (22, 964785), (30, 707509), (33, 643190), (55, 385914), (66, 321595), (110, 192957), (165, 128638), (330, 64319)]