21663252

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1193

約数の個数: 72

約数和(自身を含む): 60464040

約数和(自身を除く): 38800788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1129, 1476, 1599, 2132, 2258, 3198, 3387, 4516, 4797, 6396, 6774, 9594, 10161, 13548, 14677, 19188, 20322, 29354, 40644, 44031, 46289, 58708, 88062, 92578, 132093, 138867, 176124, 185156, 264186, 277734, 416601, 528372, 555468, 601757, 833202, 1203514, 1666404, 1805271, 2407028, 3610542, 5415813, 7221084, 10831626, 21663252]

約数ペア:

[(1, 21663252), (2, 10831626), (3, 7221084), (4, 5415813), (6, 3610542), (9, 2407028), (12, 1805271), (13, 1666404), (18, 1203514), (26, 833202), (36, 601757), (39, 555468), (41, 528372), (52, 416601), (78, 277734), (82, 264186), (117, 185156), (123, 176124), (156, 138867), (164, 132093), (234, 92578), (246, 88062), (369, 58708), (468, 46289), (492, 44031), (533, 40644), (738, 29354), (1066, 20322), (1129, 19188), (1476, 14677), (1599, 13548), (2132, 10161), (2258, 9594), (3198, 6774), (3387, 6396), (4516, 4797)]