21081802

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{313}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 38524032

約数和(自身を除く): 17442230

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 283, 313, 566, 626, 1981, 2191, 3962, 4382, 4811, 5321, 9622, 10642, 33677, 37247, 67354, 74494, 88579, 177158, 620053, 1240106, 1505843, 3011686, 10540901, 21081802]

約数ペア:

[(1, 21081802), (2, 10540901), (7, 3011686), (14, 1505843), (17, 1240106), (34, 620053), (119, 177158), (238, 88579), (283, 74494), (313, 67354), (566, 37247), (626, 33677), (1981, 10642), (2191, 9622), (3962, 5321), (4382, 4811)]