21427902

素因数分解:

$2^1\times 3^4\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:742

約数の個数: 40

約数和(自身を含む): 48279000

約数和(自身を除く): 26851098

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 349, 379, 698, 758, 1047, 1137, 2094, 2274, 3141, 3411, 6282, 6822, 9423, 10233, 18846, 20466, 28269, 30699, 56538, 61398, 132271, 264542, 396813, 793626, 1190439, 2380878, 3571317, 7142634, 10713951, 21427902]

約数ペア:

[(1, 21427902), (2, 10713951), (3, 7142634), (6, 3571317), (9, 2380878), (18, 1190439), (27, 793626), (54, 396813), (81, 264542), (162, 132271), (349, 61398), (379, 56538), (698, 30699), (758, 28269), (1047, 20466), (1137, 18846), (2094, 10233), (2274, 9423), (3141, 6822), (3411, 6282)]