21923433

素因数分解:

$3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 38468160

約数和(自身を除く): 16544727

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 147, 189, 219, 227, 441, 511, 657, 681, 1323, 1533, 1589, 1971, 2043, 3577, 4599, 4767, 6129, 10731, 11123, 13797, 14301, 16571, 32193, 33369, 42903, 49713, 96579, 100107, 115997, 149139, 300321, 347991, 447417, 811979, 1043973, 2435937, 3131919, 7307811, 21923433]

約数ペア:

[(1, 21923433), (3, 7307811), (7, 3131919), (9, 2435937), (21, 1043973), (27, 811979), (49, 447417), (63, 347991), (73, 300321), (147, 149139), (189, 115997), (219, 100107), (227, 96579), (441, 49713), (511, 42903), (657, 33369), (681, 32193), (1323, 16571), (1533, 14301), (1589, 13797), (1971, 11123), (2043, 10731), (3577, 6129), (4599, 4767)]