21555312

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 58523040

約数和(自身を除く): 36967728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 53, 74, 106, 111, 148, 159, 212, 222, 229, 296, 318, 424, 444, 458, 592, 636, 687, 848, 888, 916, 1272, 1374, 1776, 1832, 1961, 2544, 2748, 3664, 3922, 5496, 5883, 7844, 8473, 10992, 11766, 12137, 15688, 16946, 23532, 24274, 25419, 31376, 33892, 36411, 47064, 48548, 50838, 67784, 72822, 94128, 97096, 101676, 135568, 145644, 194192, 203352, 291288, 406704, 449069, 582576, 898138, 1347207, 1796276, 2694414, 3592552, 5388828, 7185104, 10777656, 21555312]

約数ペア:

[(1, 21555312), (2, 10777656), (3, 7185104), (4, 5388828), (6, 3592552), (8, 2694414), (12, 1796276), (16, 1347207), (24, 898138), (37, 582576), (48, 449069), (53, 406704), (74, 291288), (106, 203352), (111, 194192), (148, 145644), (159, 135568), (212, 101676), (222, 97096), (229, 94128), (296, 72822), (318, 67784), (424, 50838), (444, 48548), (458, 47064), (592, 36411), (636, 33892), (687, 31376), (848, 25419), (888, 24274), (916, 23532), (1272, 16946), (1374, 15688), (1776, 12137), (1832, 11766), (1961, 10992), (2544, 8473), (2748, 7844), (3664, 5883), (3922, 5496)]