21201568

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{34871}}^1$

素因数の和:34900

約数の個数: 24

約数和(自身を含む): 43938720

約数和(自身を除く): 22737152

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 34871, 69742, 139484, 278968, 557936, 662549, 1115872, 1325098, 2650196, 5300392, 10600784, 21201568]

約数ペア:

[(1, 21201568), (2, 10600784), (4, 5300392), (8, 2650196), (16, 1325098), (19, 1115872), (32, 662549), (38, 557936), (76, 278968), (152, 139484), (304, 69742), (608, 34871)]