21231336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2939}}^1$

素因数の和:2998

約数の個数: 64

約数和(自身を含む): 62092800

約数和(自身を除く): 40861464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 2939, 3612, 5878, 7224, 8817, 11756, 17634, 20573, 23512, 35268, 41146, 61719, 70536, 82292, 123438, 126377, 164584, 246876, 252754, 379131, 493752, 505508, 758262, 884639, 1011016, 1516524, 1769278, 2653917, 3033048, 3538556, 5307834, 7077112, 10615668, 21231336]

約数ペア:

[(1, 21231336), (2, 10615668), (3, 7077112), (4, 5307834), (6, 3538556), (7, 3033048), (8, 2653917), (12, 1769278), (14, 1516524), (21, 1011016), (24, 884639), (28, 758262), (42, 505508), (43, 493752), (56, 379131), (84, 252754), (86, 246876), (129, 164584), (168, 126377), (172, 123438), (258, 82292), (301, 70536), (344, 61719), (516, 41146), (602, 35268), (903, 23512), (1032, 20573), (1204, 17634), (1806, 11756), (2408, 8817), (2939, 7224), (3612, 5878)]