21747100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{7499}}^1$

素因数の和:7542

約数の個数: 36

約数和(自身を含む): 48825000

約数和(自身を除く): 27077900

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 7499, 14998, 29996, 37495, 74990, 149980, 187475, 217471, 374950, 434942, 749900, 869884, 1087355, 2174710, 4349420, 5436775, 10873550, 21747100]

約数ペア:

[(1, 21747100), (2, 10873550), (4, 5436775), (5, 4349420), (10, 2174710), (20, 1087355), (25, 869884), (29, 749900), (50, 434942), (58, 374950), (100, 217471), (116, 187475), (145, 149980), (290, 74990), (580, 37495), (725, 29996), (1450, 14998), (2900, 7499)]