21989694

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 23733186

約数列:

[1, 2, 3, 6, 41, 71, 82, 123, 142, 213, 246, 426, 1259, 2518, 2911, 3777, 5822, 7554, 8733, 17466, 51619, 89389, 103238, 154857, 178778, 268167, 309714, 536334, 3664949, 7329898, 10994847, 21989694]

約数ペア:

[(1, 21989694), (2, 10994847), (3, 7329898), (6, 3664949), (41, 536334), (71, 309714), (82, 268167), (123, 178778), (142, 154857), (213, 103238), (246, 89389), (426, 51619), (1259, 17466), (2518, 8733), (2911, 7554), (3777, 5822)]