21000875054410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{316707511}}^1$

素因数の和:316707886

約数の個数: 32

約数和(自身を含む): 39905146512000

約数和(自身を除く): 18904271457590

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 349, 698, 1745, 3490, 6631, 13262, 33155, 66310, 316707511, 633415022, 1583537555, 3167075110, 6017442709, 12034885418, 30087213545, 60174427090, 110530921339, 221061842678, 552654606695, 1105309213390, 2100087505441, 4200175010882, 10500437527205, 21000875054410]

約数ペア:

[(1, 21000875054410), (2, 10500437527205), (5, 4200175010882), (10, 2100087505441), (19, 1105309213390), (38, 552654606695), (95, 221061842678), (190, 110530921339), (349, 60174427090), (698, 30087213545), (1745, 12034885418), (3490, 6017442709), (6631, 3167075110), (13262, 1583537555), (33155, 633415022), (66310, 316707511)]