21368424

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 68935680

約数和(自身を除く): 47567256

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 42, 44, 56, 62, 66, 77, 84, 88, 93, 124, 132, 154, 168, 186, 217, 231, 248, 264, 308, 341, 372, 373, 434, 462, 616, 651, 682, 744, 746, 868, 924, 1023, 1119, 1302, 1364, 1492, 1736, 1848, 2046, 2238, 2387, 2604, 2611, 2728, 2984, 4092, 4103, 4476, 4774, 5208, 5222, 7161, 7833, 8184, 8206, 8952, 9548, 10444, 11563, 12309, 14322, 15666, 16412, 19096, 20888, 23126, 24618, 28644, 28721, 31332, 32824, 34689, 46252, 49236, 57288, 57442, 62664, 69378, 80941, 86163, 92504, 98472, 114884, 127193, 138756, 161882, 172326, 229768, 242823, 254386, 277512, 323764, 344652, 381579, 485646, 508772, 647528, 689304, 763158, 890351, 971292, 1017544, 1526316, 1780702, 1942584, 2671053, 3052632, 3561404, 5342106, 7122808, 10684212, 21368424]

約数ペア:

[(1, 21368424), (2, 10684212), (3, 7122808), (4, 5342106), (6, 3561404), (7, 3052632), (8, 2671053), (11, 1942584), (12, 1780702), (14, 1526316), (21, 1017544), (22, 971292), (24, 890351), (28, 763158), (31, 689304), (33, 647528), (42, 508772), (44, 485646), (56, 381579), (62, 344652), (66, 323764), (77, 277512), (84, 254386), (88, 242823), (93, 229768), (124, 172326), (132, 161882), (154, 138756), (168, 127193), (186, 114884), (217, 98472), (231, 92504), (248, 86163), (264, 80941), (308, 69378), (341, 62664), (372, 57442), (373, 57288), (434, 49236), (462, 46252), (616, 34689), (651, 32824), (682, 31332), (744, 28721), (746, 28644), (868, 24618), (924, 23126), (1023, 20888), (1119, 19096), (1302, 16412), (1364, 15666), (1492, 14322), (1736, 12309), (1848, 11563), (2046, 10444), (2238, 9548), (2387, 8952), (2604, 8206), (2611, 8184), (2728, 7833), (2984, 7161), (4092, 5222), (4103, 5208), (4476, 4774)]