21642690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1229}}^1$

素因数の和:1826

約数の個数: 32

約数和(自身を含む): 52073280

約数和(自身を除く): 30430590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 587, 1174, 1229, 1761, 2458, 2935, 3522, 3687, 5870, 6145, 7374, 8805, 12290, 17610, 18435, 36870, 721423, 1442846, 2164269, 3607115, 4328538, 7214230, 10821345, 21642690]

約数ペア:

[(1, 21642690), (2, 10821345), (3, 7214230), (5, 4328538), (6, 3607115), (10, 2164269), (15, 1442846), (30, 721423), (587, 36870), (1174, 18435), (1229, 17610), (1761, 12290), (2458, 8805), (2935, 7374), (3522, 6145), (3687, 5870)]