21634580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3391}}^1$

素因数の和:3440

約数の個数: 48

約数和(自身を含む): 51287040

約数和(自身を除く): 29652460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 3391, 6380, 6782, 13564, 16955, 33910, 37301, 67820, 74602, 98339, 149204, 186505, 196678, 373010, 393356, 491695, 746020, 983390, 1081729, 1966780, 2163458, 4326916, 5408645, 10817290, 21634580]

約数ペア:

[(1, 21634580), (2, 10817290), (4, 5408645), (5, 4326916), (10, 2163458), (11, 1966780), (20, 1081729), (22, 983390), (29, 746020), (44, 491695), (55, 393356), (58, 373010), (110, 196678), (116, 186505), (145, 149204), (220, 98339), (290, 74602), (319, 67820), (580, 37301), (638, 33910), (1276, 16955), (1595, 13564), (3190, 6782), (3391, 6380)]