21150066

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 50688000

約数和(自身を除く): 29537934

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 239, 258, 294, 301, 343, 478, 602, 686, 717, 903, 1029, 1434, 1673, 1806, 2058, 2107, 3346, 4214, 5019, 6321, 10038, 10277, 11711, 12642, 14749, 20554, 23422, 29498, 30831, 35133, 44247, 61662, 70266, 71939, 81977, 88494, 143878, 163954, 215817, 245931, 431634, 491862, 503573, 1007146, 1510719, 3021438, 3525011, 7050022, 10575033, 21150066]

約数ペア:

[(1, 21150066), (2, 10575033), (3, 7050022), (6, 3525011), (7, 3021438), (14, 1510719), (21, 1007146), (42, 503573), (43, 491862), (49, 431634), (86, 245931), (98, 215817), (129, 163954), (147, 143878), (239, 88494), (258, 81977), (294, 71939), (301, 70266), (343, 61662), (478, 44247), (602, 35133), (686, 30831), (717, 29498), (903, 23422), (1029, 20554), (1434, 14749), (1673, 12642), (1806, 11711), (2058, 10277), (2107, 10038), (3346, 6321), (4214, 5019)]