21385764

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{14489}}^1$

素因数の和:14540

約数の個数: 36

約数和(自身を含む): 55380780

約数和(自身を除く): 33995016

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 14489, 28978, 43467, 57956, 86934, 130401, 173868, 260802, 521604, 594049, 1188098, 1782147, 2376196, 3564294, 5346441, 7128588, 10692882, 21385764]

約数ペア:

[(1, 21385764), (2, 10692882), (3, 7128588), (4, 5346441), (6, 3564294), (9, 2376196), (12, 1782147), (18, 1188098), (36, 594049), (41, 521604), (82, 260802), (123, 173868), (164, 130401), (246, 86934), (369, 57956), (492, 43467), (738, 28978), (1476, 14489)]