21840422

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{4231}}^1$

素因数の和:4351

約数の個数: 16

約数和(自身を含む): 34279200

約数和(自身を除く): 12438778

約数列:

[1, 2, 29, 58, 89, 178, 2581, 4231, 5162, 8462, 122699, 245398, 376559, 753118, 10920211, 21840422]

約数ペア:

[(1, 21840422), (2, 10920211), (29, 753118), (58, 376559), (89, 245398), (178, 122699), (2581, 8462), (4231, 5162)]