21591350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1061}}^1$

素因数の和:1121

約数の個数: 48

約数和(自身を含む): 45037296

約数和(自身を除く): 23445946

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 185, 275, 370, 407, 550, 814, 925, 1061, 1850, 2035, 2122, 4070, 5305, 10175, 10610, 11671, 20350, 23342, 26525, 39257, 53050, 58355, 78514, 116710, 196285, 291775, 392570, 431827, 583550, 863654, 981425, 1962850, 2159135, 4318270, 10795675, 21591350]

約数ペア:

[(1, 21591350), (2, 10795675), (5, 4318270), (10, 2159135), (11, 1962850), (22, 981425), (25, 863654), (37, 583550), (50, 431827), (55, 392570), (74, 291775), (110, 196285), (185, 116710), (275, 78514), (370, 58355), (407, 53050), (550, 39257), (814, 26525), (925, 23342), (1061, 20350), (1850, 11671), (2035, 10610), (2122, 10175), (4070, 5305)]