21392896

素因数分解:

$2^9\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 80

約数和(自身を含む): 50282496

約数和(自身を除く): 28889600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 127, 128, 188, 224, 254, 256, 329, 376, 448, 508, 512, 658, 752, 889, 896, 1016, 1316, 1504, 1778, 1792, 2032, 2632, 3008, 3556, 3584, 4064, 5264, 5969, 6016, 7112, 8128, 10528, 11938, 12032, 14224, 16256, 21056, 23876, 24064, 28448, 32512, 41783, 42112, 47752, 56896, 65024, 83566, 84224, 95504, 113792, 167132, 168448, 191008, 227584, 334264, 382016, 455168, 668528, 764032, 1337056, 1528064, 2674112, 3056128, 5348224, 10696448, 21392896]

約数ペア:

[(1, 21392896), (2, 10696448), (4, 5348224), (7, 3056128), (8, 2674112), (14, 1528064), (16, 1337056), (28, 764032), (32, 668528), (47, 455168), (56, 382016), (64, 334264), (94, 227584), (112, 191008), (127, 168448), (128, 167132), (188, 113792), (224, 95504), (254, 84224), (256, 83566), (329, 65024), (376, 56896), (448, 47752), (508, 42112), (512, 41783), (658, 32512), (752, 28448), (889, 24064), (896, 23876), (1016, 21056), (1316, 16256), (1504, 14224), (1778, 12032), (1792, 11938), (2032, 10528), (2632, 8128), (3008, 7112), (3556, 6016), (3584, 5969), (4064, 5264)]