21000643190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3811369}}^1$

素因数の和:3811424

約数の個数: 32

約数和(自身を含む): 41162796000

約数和(自身を除く): 20162152810

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 3811369, 7622738, 19056845, 38113690, 72416011, 110529701, 144832022, 221059402, 362080055, 552648505, 724160110, 1105297010, 2100064319, 4200128638, 10500321595, 21000643190]

約数ペア:

[(1, 21000643190), (2, 10500321595), (5, 4200128638), (10, 2100064319), (19, 1105297010), (29, 724160110), (38, 552648505), (58, 362080055), (95, 221059402), (145, 144832022), (190, 110529701), (290, 72416011), (551, 38113690), (1102, 19056845), (2755, 7622738), (5510, 3811369)]