21000618110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{110529569}}^1$

素因数の和:110529595

約数の個数: 16

約数和(自身を含む): 39790645200

約数和(自身を除く): 18790027090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 110529569, 221059138, 552647845, 1105295690, 2100061811, 4200123622, 10500309055, 21000618110]

約数ペア:

[(1, 21000618110), (2, 10500309055), (5, 4200123622), (10, 2100061811), (19, 1105295690), (38, 552647845), (95, 221059138), (190, 110529569)]