21194208

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10513}}^1$

素因数の和:10536

約数の個数: 72

約数和(自身を含む): 68887728

約数和(自身を除く): 47693520

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10513, 21026, 31539, 42052, 63078, 73591, 84104, 94617, 126156, 147182, 168208, 189234, 220773, 252312, 294364, 336416, 378468, 441546, 504624, 588728, 662319, 756936, 883092, 1009248, 1177456, 1324638, 1513872, 1766184, 2354912, 2649276, 3027744, 3532368, 5298552, 7064736, 10597104, 21194208]

約数ペア:

[(1, 21194208), (2, 10597104), (3, 7064736), (4, 5298552), (6, 3532368), (7, 3027744), (8, 2649276), (9, 2354912), (12, 1766184), (14, 1513872), (16, 1324638), (18, 1177456), (21, 1009248), (24, 883092), (28, 756936), (32, 662319), (36, 588728), (42, 504624), (48, 441546), (56, 378468), (63, 336416), (72, 294364), (84, 252312), (96, 220773), (112, 189234), (126, 168208), (144, 147182), (168, 126156), (224, 94617), (252, 84104), (288, 73591), (336, 63078), (504, 42052), (672, 31539), (1008, 21026), (2016, 10513)]