21599004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 59339280

約数和(自身を除く): 37740276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 109, 147, 196, 218, 294, 327, 337, 436, 588, 654, 674, 763, 1011, 1308, 1348, 1526, 2022, 2289, 2359, 3052, 4044, 4578, 4718, 5341, 7077, 9156, 9436, 10682, 14154, 16023, 16513, 21364, 28308, 32046, 33026, 36733, 49539, 64092, 66052, 73466, 99078, 110199, 146932, 198156, 220398, 257131, 440796, 514262, 771393, 1028524, 1542786, 1799917, 3085572, 3599834, 5399751, 7199668, 10799502, 21599004]

約数ペア:

[(1, 21599004), (2, 10799502), (3, 7199668), (4, 5399751), (6, 3599834), (7, 3085572), (12, 1799917), (14, 1542786), (21, 1028524), (28, 771393), (42, 514262), (49, 440796), (84, 257131), (98, 220398), (109, 198156), (147, 146932), (196, 110199), (218, 99078), (294, 73466), (327, 66052), (337, 64092), (436, 49539), (588, 36733), (654, 33026), (674, 32046), (763, 28308), (1011, 21364), (1308, 16513), (1348, 16023), (1526, 14154), (2022, 10682), (2289, 9436), (2359, 9156), (3052, 7077), (4044, 5341), (4578, 4718)]