21787004

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3079}}^1$

素因数の和:3173

約数の個数: 24

約数和(自身を含む): 40101600

約数和(自身を除く): 18314596

約数列:

[1, 2, 4, 29, 58, 61, 116, 122, 244, 1769, 3079, 3538, 6158, 7076, 12316, 89291, 178582, 187819, 357164, 375638, 751276, 5446751, 10893502, 21787004]

約数ペア:

[(1, 21787004), (2, 10893502), (4, 5446751), (29, 751276), (58, 375638), (61, 357164), (116, 187819), (122, 178582), (244, 89291), (1769, 12316), (3079, 7076), (3538, 6158)]