21303376

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{6971}}^1$

素因数の和:7170

約数の個数: 20

約数和(自身を含む): 41497344

約数和(自身を除く): 20193968

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 6971, 13942, 27884, 55768, 111536, 1331461, 2662922, 5325844, 10651688, 21303376]

約数ペア:

[(1, 21303376), (2, 10651688), (4, 5325844), (8, 2662922), (16, 1331461), (191, 111536), (382, 55768), (764, 27884), (1528, 13942), (3056, 6971)]