21312100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{7349}}^1$

素因数の和:7392

約数の個数: 36

約数和(自身を含む): 47848500

約数和(自身を除く): 26536400

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 7349, 14698, 29396, 36745, 73490, 146980, 183725, 213121, 367450, 426242, 734900, 852484, 1065605, 2131210, 4262420, 5328025, 10656050, 21312100]

約数ペア:

[(1, 21312100), (2, 10656050), (4, 5328025), (5, 4262420), (10, 2131210), (20, 1065605), (25, 852484), (29, 734900), (50, 426242), (58, 367450), (100, 213121), (116, 183725), (145, 146980), (290, 73490), (580, 36745), (725, 29396), (1450, 14698), (2900, 7349)]