21219016898

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1\times {\mathrm{195751}}^1$

素因数の和:196489

約数の個数: 16

約数和(自身を含む): 32261495616

約数和(自身を除く): 11042478718

約数列:

[1, 2, 83, 166, 653, 1306, 54199, 108398, 195751, 391502, 16247333, 32494666, 127825403, 255650806, 10609508449, 21219016898]

約数ペア:

[(1, 21219016898), (2, 10609508449), (83, 255650806), (166, 127825403), (653, 32494666), (1306, 16247333), (54199, 391502), (108398, 195751)]