21682498

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{1259}}^1$

素因数の和:1449

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 11581502

約数列:

[1, 2, 79, 109, 158, 218, 1259, 2518, 8611, 17222, 99461, 137231, 198922, 274462, 10841249, 21682498]

約数ペア:

[(1, 21682498), (2, 10841249), (79, 274462), (109, 198922), (158, 137231), (218, 99461), (1259, 17222), (2518, 8611)]