21153660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32051}}^1$

素因数の和:32074

約数の個数: 48

約数和(自身を含む): 64616832

約数和(自身を除く): 43463172

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32051, 64102, 96153, 128204, 160255, 192306, 320510, 352561, 384612, 480765, 641020, 705122, 961530, 1057683, 1410244, 1762805, 1923060, 2115366, 3525610, 4230732, 5288415, 7051220, 10576830, 21153660]

約数ペア:

[(1, 21153660), (2, 10576830), (3, 7051220), (4, 5288415), (5, 4230732), (6, 3525610), (10, 2115366), (11, 1923060), (12, 1762805), (15, 1410244), (20, 1057683), (22, 961530), (30, 705122), (33, 641020), (44, 480765), (55, 384612), (60, 352561), (66, 320510), (110, 192306), (132, 160255), (165, 128204), (220, 96153), (330, 64102), (660, 32051)]