21879432

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 62599680

約数和(自身を除く): 40720248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 43, 72, 74, 86, 111, 129, 148, 172, 191, 222, 258, 296, 333, 344, 382, 387, 444, 516, 573, 666, 764, 774, 888, 1032, 1146, 1332, 1528, 1548, 1591, 1719, 2292, 2664, 3096, 3182, 3438, 4584, 4773, 6364, 6876, 7067, 8213, 9546, 12728, 13752, 14134, 14319, 16426, 19092, 21201, 24639, 28268, 28638, 32852, 38184, 42402, 49278, 56536, 57276, 63603, 65704, 73917, 84804, 98556, 114552, 127206, 147834, 169608, 197112, 254412, 295668, 303881, 508824, 591336, 607762, 911643, 1215524, 1823286, 2431048, 2734929, 3646572, 5469858, 7293144, 10939716, 21879432]

約数ペア:

[(1, 21879432), (2, 10939716), (3, 7293144), (4, 5469858), (6, 3646572), (8, 2734929), (9, 2431048), (12, 1823286), (18, 1215524), (24, 911643), (36, 607762), (37, 591336), (43, 508824), (72, 303881), (74, 295668), (86, 254412), (111, 197112), (129, 169608), (148, 147834), (172, 127206), (191, 114552), (222, 98556), (258, 84804), (296, 73917), (333, 65704), (344, 63603), (382, 57276), (387, 56536), (444, 49278), (516, 42402), (573, 38184), (666, 32852), (764, 28638), (774, 28268), (888, 24639), (1032, 21201), (1146, 19092), (1332, 16426), (1528, 14319), (1548, 14134), (1591, 13752), (1719, 12728), (2292, 9546), (2664, 8213), (3096, 7067), (3182, 6876), (3438, 6364), (4584, 4773)]