21147882

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12281}}^1$

素因数の和:12334

約数の個数: 32

約数和(自身を含む): 49521024

約数和(自身を除く): 28373142

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12281, 24562, 36843, 73686, 85967, 171934, 257901, 503521, 515802, 1007042, 1510563, 3021126, 3524647, 7049294, 10573941, 21147882]

約数ペア:

[(1, 21147882), (2, 10573941), (3, 7049294), (6, 3524647), (7, 3021126), (14, 1510563), (21, 1007042), (41, 515802), (42, 503521), (82, 257901), (123, 171934), (246, 85967), (287, 73686), (574, 36843), (861, 24562), (1722, 12281)]