21518232

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:800

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 35505768

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 43, 58, 86, 87, 116, 129, 172, 174, 232, 258, 344, 348, 516, 696, 719, 1032, 1247, 1438, 2157, 2494, 2876, 3741, 4314, 4988, 5752, 7482, 8628, 9976, 14964, 17256, 20851, 29928, 30917, 41702, 61834, 62553, 83404, 92751, 123668, 125106, 166808, 185502, 247336, 250212, 371004, 500424, 742008, 896593, 1793186, 2689779, 3586372, 5379558, 7172744, 10759116, 21518232]

約数ペア:

[(1, 21518232), (2, 10759116), (3, 7172744), (4, 5379558), (6, 3586372), (8, 2689779), (12, 1793186), (24, 896593), (29, 742008), (43, 500424), (58, 371004), (86, 250212), (87, 247336), (116, 185502), (129, 166808), (172, 125106), (174, 123668), (232, 92751), (258, 83404), (344, 62553), (348, 61834), (516, 41702), (696, 30917), (719, 29928), (1032, 20851), (1247, 17256), (1438, 14964), (2157, 9976), (2494, 8628), (2876, 7482), (3741, 5752), (4314, 4988)]