21078837290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4133}}^1\times {\mathrm{72859}}^1$

素因数の和:77006

約数の個数: 32

約数和(自身を含む): 43373266560

約数和(自身を除く): 22294429270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4133, 8266, 20665, 28931, 41330, 57862, 72859, 144655, 145718, 289310, 364295, 510013, 728590, 1020026, 2550065, 5100130, 301126247, 602252494, 1505631235, 2107883729, 3011262470, 4215767458, 10539418645, 21078837290]

約数ペア:

[(1, 21078837290), (2, 10539418645), (5, 4215767458), (7, 3011262470), (10, 2107883729), (14, 1505631235), (35, 602252494), (70, 301126247), (4133, 5100130), (8266, 2550065), (20665, 1020026), (28931, 728590), (41330, 510013), (57862, 364295), (72859, 289310), (144655, 145718)]