21000888045

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7909939}}^1$

素因数の和:7910009

約数の個数: 24

約数和(自身を含む): 37018519200

約数和(自身を除く): 16017631155

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 7909939, 23729817, 39549695, 71189451, 118649085, 355947255, 466686401, 1400059203, 2333432005, 4200177609, 7000296015, 21000888045]

約数ペア:

[(1, 21000888045), (3, 7000296015), (5, 4200177609), (9, 2333432005), (15, 1400059203), (45, 466686401), (59, 355947255), (177, 118649085), (295, 71189451), (531, 39549695), (885, 23729817), (2655, 7909939)]