21874440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{26041}}^1$

素因数の和:26062

約数の個数: 64

約数和(自身を含む): 75000960

約数和(自身を除く): 53126520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 26041, 52082, 78123, 104164, 130205, 156246, 182287, 208328, 260410, 312492, 364574, 390615, 520820, 546861, 624984, 729148, 781230, 911435, 1041640, 1093722, 1458296, 1562460, 1822870, 2187444, 2734305, 3124920, 3645740, 4374888, 5468610, 7291480, 10937220, 21874440]

約数ペア:

[(1, 21874440), (2, 10937220), (3, 7291480), (4, 5468610), (5, 4374888), (6, 3645740), (7, 3124920), (8, 2734305), (10, 2187444), (12, 1822870), (14, 1562460), (15, 1458296), (20, 1093722), (21, 1041640), (24, 911435), (28, 781230), (30, 729148), (35, 624984), (40, 546861), (42, 520820), (56, 390615), (60, 364574), (70, 312492), (84, 260410), (105, 208328), (120, 182287), (140, 156246), (168, 130205), (210, 104164), (280, 78123), (420, 52082), (840, 26041)]