21850374

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5717}}^1$

素因数の和:5749

約数の個数: 48

約数和(自身を含む): 54755568

約数和(自身を除く): 32905194

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5717, 11434, 17151, 34302, 40019, 74321, 80038, 120057, 148642, 222963, 240114, 280133, 445926, 520247, 560266, 840399, 1040494, 1560741, 1680798, 3121482, 3641729, 7283458, 10925187, 21850374]

約数ペア:

[(1, 21850374), (2, 10925187), (3, 7283458), (6, 3641729), (7, 3121482), (13, 1680798), (14, 1560741), (21, 1040494), (26, 840399), (39, 560266), (42, 520247), (49, 445926), (78, 280133), (91, 240114), (98, 222963), (147, 148642), (182, 120057), (273, 80038), (294, 74321), (546, 40019), (637, 34302), (1274, 17151), (1911, 11434), (3822, 5717)]