21743300

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2111}}^1$

素因数の和:2228

約数の個数: 36

約数和(自身を含む): 47663616

約数和(自身を除く): 25920316

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 2060, 2111, 2575, 4222, 5150, 8444, 10300, 10555, 21110, 42220, 52775, 105550, 211100, 217433, 434866, 869732, 1087165, 2174330, 4348660, 5435825, 10871650, 21743300]

約数ペア:

[(1, 21743300), (2, 10871650), (4, 5435825), (5, 4348660), (10, 2174330), (20, 1087165), (25, 869732), (50, 434866), (100, 217433), (103, 211100), (206, 105550), (412, 52775), (515, 42220), (1030, 21110), (2060, 10555), (2111, 10300), (2575, 8444), (4222, 5150)]