21986534

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6971}}^1$

素因数の和:7075

約数の個数: 16

約数和(自身を含む): 35138880

約数和(自身を除く): 13152346

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 6971, 13942, 132449, 264898, 578593, 1157186, 10993267, 21986534]

約数ペア:

[(1, 21986534), (2, 10993267), (19, 1157186), (38, 578593), (83, 264898), (166, 132449), (1577, 13942), (3154, 6971)]