21461118

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72997}}^1$

素因数の和:73016

約数の個数: 24

約数和(自身を含む): 49930632

約数和(自身を除く): 28469514

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72997, 145994, 218991, 437982, 510979, 1021958, 1532937, 3065874, 3576853, 7153706, 10730559, 21461118]

約数ペア:

[(1, 21461118), (2, 10730559), (3, 7153706), (6, 3576853), (7, 3065874), (14, 1532937), (21, 1021958), (42, 510979), (49, 437982), (98, 218991), (147, 145994), (294, 72997)]