21374904

素因数分解:

$2^3\times 3^1\times {\mathrm{401}}^1\times {\mathrm{2221}}^1$

素因数の和:2631

約数の個数: 32

約数和(自身を含む): 53594640

約数和(自身を除く): 32219736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 401, 802, 1203, 1604, 2221, 2406, 3208, 4442, 4812, 6663, 8884, 9624, 13326, 17768, 26652, 53304, 890621, 1781242, 2671863, 3562484, 5343726, 7124968, 10687452, 21374904]

約数ペア:

[(1, 21374904), (2, 10687452), (3, 7124968), (4, 5343726), (6, 3562484), (8, 2671863), (12, 1781242), (24, 890621), (401, 53304), (802, 26652), (1203, 17768), (1604, 13326), (2221, 9624), (2406, 8884), (3208, 6663), (4442, 4812)]