21572586

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{547}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 53686464

約数和(自身を除く): 32113878

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 313, 547, 626, 939, 1094, 1641, 1878, 2191, 2817, 3282, 3829, 4382, 4923, 5634, 6573, 7658, 9846, 11487, 13146, 19719, 22974, 34461, 39438, 68922, 171211, 342422, 513633, 1027266, 1198477, 1540899, 2396954, 3081798, 3595431, 7190862, 10786293, 21572586]

約数ペア:

[(1, 21572586), (2, 10786293), (3, 7190862), (6, 3595431), (7, 3081798), (9, 2396954), (14, 1540899), (18, 1198477), (21, 1027266), (42, 513633), (63, 342422), (126, 171211), (313, 68922), (547, 39438), (626, 34461), (939, 22974), (1094, 19719), (1641, 13146), (1878, 11487), (2191, 9846), (2817, 7658), (3282, 6573), (3829, 5634), (4382, 4923)]