21452184

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 65945880

約数和(自身を除く): 44493696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 41, 43, 52, 72, 78, 82, 86, 104, 117, 123, 129, 156, 164, 169, 172, 234, 246, 258, 312, 328, 338, 344, 369, 387, 468, 492, 507, 516, 533, 559, 676, 738, 774, 936, 984, 1014, 1032, 1066, 1118, 1352, 1476, 1521, 1548, 1599, 1677, 1763, 2028, 2132, 2236, 2952, 3042, 3096, 3198, 3354, 3526, 4056, 4264, 4472, 4797, 5031, 5289, 6084, 6396, 6708, 6929, 7052, 7267, 9594, 10062, 10578, 12168, 12792, 13416, 13858, 14104, 14534, 15867, 19188, 20124, 20787, 21156, 21801, 22919, 27716, 29068, 31734, 38376, 40248, 41574, 42312, 43602, 45838, 55432, 58136, 62361, 63468, 65403, 68757, 83148, 87204, 91676, 124722, 126936, 130806, 137514, 166296, 174408, 183352, 206271, 249444, 261612, 275028, 297947, 412542, 498888, 523224, 550056, 595894, 825084, 893841, 1191788, 1650168, 1787682, 2383576, 2681523, 3575364, 5363046, 7150728, 10726092, 21452184]

約数ペア:

[(1, 21452184), (2, 10726092), (3, 7150728), (4, 5363046), (6, 3575364), (8, 2681523), (9, 2383576), (12, 1787682), (13, 1650168), (18, 1191788), (24, 893841), (26, 825084), (36, 595894), (39, 550056), (41, 523224), (43, 498888), (52, 412542), (72, 297947), (78, 275028), (82, 261612), (86, 249444), (104, 206271), (117, 183352), (123, 174408), (129, 166296), (156, 137514), (164, 130806), (169, 126936), (172, 124722), (234, 91676), (246, 87204), (258, 83148), (312, 68757), (328, 65403), (338, 63468), (344, 62361), (369, 58136), (387, 55432), (468, 45838), (492, 43602), (507, 42312), (516, 41574), (533, 40248), (559, 38376), (676, 31734), (738, 29068), (774, 27716), (936, 22919), (984, 21801), (1014, 21156), (1032, 20787), (1066, 20124), (1118, 19188), (1352, 15867), (1476, 14534), (1521, 14104), (1548, 13858), (1599, 13416), (1677, 12792), (1763, 12168), (2028, 10578), (2132, 10062), (2236, 9594), (2952, 7267), (3042, 7052), (3096, 6929), (3198, 6708), (3354, 6396), (3526, 6084), (4056, 5289), (4264, 5031), (4472, 4797)]