21360256

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8783}}^1$

素因数の和:8816

約数の個数: 32

約数和(自身を含む): 44798400

約数和(自身を除く): 23438144

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8783, 17566, 35132, 70264, 140528, 166877, 281056, 333754, 562112, 667508, 1124224, 1335016, 2670032, 5340064, 10680128, 21360256]

約数ペア:

[(1, 21360256), (2, 10680128), (4, 5340064), (8, 2670032), (16, 1335016), (19, 1124224), (32, 667508), (38, 562112), (64, 333754), (76, 281056), (128, 166877), (152, 140528), (304, 70264), (608, 35132), (1216, 17566), (2432, 8783)]