21121164

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20231}}^1$

素因数の和:20270

約数の個数: 36

約数和(自身を含む): 55233360

約数和(自身を除く): 34112196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20231, 40462, 60693, 80924, 121386, 182079, 242772, 364158, 586699, 728316, 1173398, 1760097, 2346796, 3520194, 5280291, 7040388, 10560582, 21121164]

約数ペア:

[(1, 21121164), (2, 10560582), (3, 7040388), (4, 5280291), (6, 3520194), (9, 2346796), (12, 1760097), (18, 1173398), (29, 728316), (36, 586699), (58, 364158), (87, 242772), (116, 182079), (174, 121386), (261, 80924), (348, 60693), (522, 40462), (1044, 20231)]