21379993518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{572239}}^1$

素因数の和:572736

約数の個数: 32

約数和(自身を含む): 46145433600

約数和(自身を除く): 24765440082

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 479, 958, 1437, 2874, 6227, 12454, 18681, 37362, 572239, 1144478, 1716717, 3433434, 7439107, 14878214, 22317321, 44634642, 274102481, 548204962, 822307443, 1644614886, 3563332253, 7126664506, 10689996759, 21379993518]

約数ペア:

[(1, 21379993518), (2, 10689996759), (3, 7126664506), (6, 3563332253), (13, 1644614886), (26, 822307443), (39, 548204962), (78, 274102481), (479, 44634642), (958, 22317321), (1437, 14878214), (2874, 7439107), (6227, 3433434), (12454, 1716717), (18681, 1144478), (37362, 572239)]