21997626

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{30809}}^1$

素因数の和:30838

約数の個数: 32

約数和(自身を含む): 53239680

約数和(自身を除く): 31242054

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 30809, 61618, 92427, 184854, 215663, 431326, 523753, 646989, 1047506, 1293978, 1571259, 3142518, 3666271, 7332542, 10998813, 21997626]

約数ペア:

[(1, 21997626), (2, 10998813), (3, 7332542), (6, 3666271), (7, 3142518), (14, 1571259), (17, 1293978), (21, 1047506), (34, 646989), (42, 523753), (51, 431326), (102, 215663), (119, 184854), (238, 92427), (357, 61618), (714, 30809)]