21770560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9719}}^1$

素因数の和:9743

約数の個数: 56

約数和(自身を含む): 59253120

約数和(自身を除く): 37482560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9719, 19438, 38876, 48595, 68033, 77752, 97190, 136066, 155504, 194380, 272132, 311008, 340165, 388760, 544264, 622016, 680330, 777520, 1088528, 1360660, 1555040, 2177056, 2721320, 3110080, 4354112, 5442640, 10885280, 21770560]

約数ペア:

[(1, 21770560), (2, 10885280), (4, 5442640), (5, 4354112), (7, 3110080), (8, 2721320), (10, 2177056), (14, 1555040), (16, 1360660), (20, 1088528), (28, 777520), (32, 680330), (35, 622016), (40, 544264), (56, 388760), (64, 340165), (70, 311008), (80, 272132), (112, 194380), (140, 155504), (160, 136066), (224, 97190), (280, 77752), (320, 68033), (448, 48595), (560, 38876), (1120, 19438), (2240, 9719)]