21031874530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6211}}^1\times {\mathrm{19919}}^1$

素因数の和:26154

約数の個数: 32

約数和(自身を含む): 40092744960

約数和(自身を除く): 19060870430

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 6211, 12422, 19919, 31055, 39838, 62110, 99595, 105587, 199190, 211174, 338623, 527935, 677246, 1055870, 1693115, 3386230, 123716909, 247433818, 618584545, 1237169090, 2103187453, 4206374906, 10515937265, 21031874530]

約数ペア:

[(1, 21031874530), (2, 10515937265), (5, 4206374906), (10, 2103187453), (17, 1237169090), (34, 618584545), (85, 247433818), (170, 123716909), (6211, 3386230), (12422, 1693115), (19919, 1055870), (31055, 677246), (39838, 527935), (62110, 338623), (99595, 211174), (105587, 199190)]