21015630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6311}}^1$

素因数の和:6361

約数の個数: 48

約数和(自身を含む): 56126304

約数和(自身を除く): 35110674

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 6311, 12622, 18933, 31555, 37866, 56799, 63110, 94665, 113598, 189330, 233507, 283995, 467014, 567990, 700521, 1167535, 1401042, 2101563, 2335070, 3502605, 4203126, 7005210, 10507815, 21015630]

約数ペア:

[(1, 21015630), (2, 10507815), (3, 7005210), (5, 4203126), (6, 3502605), (9, 2335070), (10, 2101563), (15, 1401042), (18, 1167535), (30, 700521), (37, 567990), (45, 467014), (74, 283995), (90, 233507), (111, 189330), (185, 113598), (222, 94665), (333, 63110), (370, 56799), (555, 37866), (666, 31555), (1110, 18933), (1665, 12622), (3330, 6311)]