10821998

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:448

約数の個数: 24

約数和(自身を含む): 18012456

約数和(自身を除く): 7190458

約数列:

[1, 2, 11, 22, 121, 197, 227, 242, 394, 454, 2167, 2497, 4334, 4994, 23837, 27467, 44719, 47674, 54934, 89438, 491909, 983818, 5410999, 10821998]

約数ペア:

[(1, 10821998), (2, 5410999), (11, 983818), (22, 491909), (121, 89438), (197, 54934), (227, 47674), (242, 44719), (394, 27467), (454, 23837), (2167, 4994), (2497, 4334)]