21821604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{259781}}^1$

素因数の和:259795

約数の個数: 24

約数和(自身を含む): 58191168

約数和(自身を除く): 36369564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 259781, 519562, 779343, 1039124, 1558686, 1818467, 3117372, 3636934, 5455401, 7273868, 10910802, 21821604]

約数ペア:

[(1, 21821604), (2, 10910802), (3, 7273868), (4, 5455401), (6, 3636934), (7, 3117372), (12, 1818467), (14, 1558686), (21, 1039124), (28, 779343), (42, 519562), (84, 259781)]