21008498

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 38548224

約数和(自身を除く): 17539726

約数列:

[1, 2, 7, 14, 17, 34, 103, 119, 206, 238, 721, 857, 1442, 1714, 1751, 3502, 5999, 11998, 12257, 14569, 24514, 29138, 88271, 101983, 176542, 203966, 617897, 1235794, 1500607, 3001214, 10504249, 21008498]

約数ペア:

[(1, 21008498), (2, 10504249), (7, 3001214), (14, 1500607), (17, 1235794), (34, 617897), (103, 203966), (119, 176542), (206, 101983), (238, 88271), (721, 29138), (857, 24514), (1442, 14569), (1714, 12257), (1751, 11998), (3502, 5999)]