21000545290

素因数分解:

$2^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{733}}^1\times {\mathrm{7681}}^1$

素因数の和:8794

約数の個数: 32

約数和(自身を含む): 37958974416

約数和(自身を除く): 16958429126

約数列:

[1, 2, 5, 10, 373, 733, 746, 1466, 1865, 3665, 3730, 7330, 7681, 15362, 38405, 76810, 273409, 546818, 1367045, 2734090, 2865013, 5630173, 5730026, 11260346, 14325065, 28150865, 28650130, 56301730, 2100054529, 4200109058, 10500272645, 21000545290]

約数ペア:

[(1, 21000545290), (2, 10500272645), (5, 4200109058), (10, 2100054529), (373, 56301730), (733, 28650130), (746, 28150865), (1466, 14325065), (1865, 11260346), (3665, 5730026), (3730, 5630173), (7330, 2865013), (7681, 2734090), (15362, 1367045), (38405, 546818), (76810, 273409)]