21486564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1871}}^1$

素因数の和:1921

約数の個数: 72

約数和(自身を含む): 61326720

約数和(自身を除く): 39840156

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 132, 174, 198, 261, 319, 348, 396, 522, 638, 957, 1044, 1276, 1871, 1914, 2871, 3742, 3828, 5613, 5742, 7484, 11226, 11484, 16839, 20581, 22452, 33678, 41162, 54259, 61743, 67356, 82324, 108518, 123486, 162777, 185229, 217036, 246972, 325554, 370458, 488331, 596849, 651108, 740916, 976662, 1193698, 1790547, 1953324, 2387396, 3581094, 5371641, 7162188, 10743282, 21486564]

約数ペア:

[(1, 21486564), (2, 10743282), (3, 7162188), (4, 5371641), (6, 3581094), (9, 2387396), (11, 1953324), (12, 1790547), (18, 1193698), (22, 976662), (29, 740916), (33, 651108), (36, 596849), (44, 488331), (58, 370458), (66, 325554), (87, 246972), (99, 217036), (116, 185229), (132, 162777), (174, 123486), (198, 108518), (261, 82324), (319, 67356), (348, 61743), (396, 54259), (522, 41162), (638, 33678), (957, 22452), (1044, 20581), (1276, 16839), (1871, 11484), (1914, 11226), (2871, 7484), (3742, 5742), (3828, 5613)]