21473394

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 44421696

約数和(自身を除く): 22948302

約数列:

[1, 2, 3, 6, 37, 74, 111, 197, 222, 394, 491, 591, 982, 1182, 1473, 2946, 7289, 14578, 18167, 21867, 36334, 43734, 54501, 96727, 109002, 193454, 290181, 580362, 3578899, 7157798, 10736697, 21473394]

約数ペア:

[(1, 21473394), (2, 10736697), (3, 7157798), (6, 3578899), (37, 580362), (74, 290181), (111, 193454), (197, 109002), (222, 96727), (394, 54501), (491, 43734), (591, 36334), (982, 21867), (1182, 18167), (1473, 14578), (2946, 7289)]