21139140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32029}}^1$

素因数の和:32052

約数の個数: 48

約数和(自身を含む): 64572480

約数和(自身を除く): 43433340

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, 32029, 64058, 96087, 128116, 160145, 192174, 320290, 352319, 384348, 480435, 640580, 704638, 960870, 1056957, 1409276, 1761595, 1921740, 2113914, 3523190, 4227828, 5284785, 7046380, 10569570, 21139140]

約数ペア:

[(1, 21139140), (2, 10569570), (3, 7046380), (4, 5284785), (5, 4227828), (6, 3523190), (10, 2113914), (11, 1921740), (12, 1761595), (15, 1409276), (20, 1056957), (22, 960870), (30, 704638), (33, 640580), (44, 480435), (55, 384348), (60, 352319), (66, 320290), (110, 192174), (132, 160145), (165, 128116), (220, 96087), (330, 64058), (660, 32029)]