21132760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48029}}^1$

素因数の和:48051

約数の個数: 32

約数和(自身を含む): 51872400

約数和(自身を除く): 30739640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 48029, 96058, 192116, 240145, 384232, 480290, 528319, 960580, 1056638, 1921160, 2113276, 2641595, 4226552, 5283190, 10566380, 21132760]

約数ペア:

[(1, 21132760), (2, 10566380), (4, 5283190), (5, 4226552), (8, 2641595), (10, 2113276), (11, 1921160), (20, 1056638), (22, 960580), (40, 528319), (44, 480290), (55, 384232), (88, 240145), (110, 192116), (220, 96058), (440, 48029)]