21196100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{7309}}^1$

素因数の和:7352

約数の個数: 36

約数和(自身を含む): 47588100

約数和(自身を除く): 26392000

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 7309, 14618, 29236, 36545, 73090, 146180, 182725, 211961, 365450, 423922, 730900, 847844, 1059805, 2119610, 4239220, 5299025, 10598050, 21196100]

約数ペア:

[(1, 21196100), (2, 10598050), (4, 5299025), (5, 4239220), (10, 2119610), (20, 1059805), (25, 847844), (29, 730900), (50, 423922), (58, 365450), (100, 211961), (116, 182725), (145, 146180), (290, 73090), (580, 36545), (725, 29236), (1450, 14618), (2900, 7309)]