21405264

素因数分解:

$2^4\times 3^1\times {\mathrm{445943}}^1$

素因数の和:445954

約数の個数: 20

約数和(自身を含む): 55297056

約数和(自身を除く): 33891792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445943, 891886, 1337829, 1783772, 2675658, 3567544, 5351316, 7135088, 10702632, 21405264]

約数ペア:

[(1, 21405264), (2, 10702632), (3, 7135088), (4, 5351316), (6, 3567544), (8, 2675658), (12, 1783772), (16, 1337829), (24, 891886), (48, 445943)]