210521720

素因数分解:

$2^3\times 5^1\times {\mathrm{1741}}^1\times {\mathrm{3023}}^1$

素因数の和:4775

約数の個数: 32

約数和(自身を含む): 474102720

約数和(自身を除く): 263581000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1741, 3023, 3482, 6046, 6964, 8705, 12092, 13928, 15115, 17410, 24184, 30230, 34820, 60460, 69640, 120920, 5263043, 10526086, 21052172, 26315215, 42104344, 52630430, 105260860, 210521720]

約数ペア:

[(1, 210521720), (2, 105260860), (4, 52630430), (5, 42104344), (8, 26315215), (10, 21052172), (20, 10526086), (40, 5263043), (1741, 120920), (3023, 69640), (3482, 60460), (6046, 34820), (6964, 30230), (8705, 24184), (12092, 17410), (13928, 15115)]