21274810

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 39424320

約数和(自身を除く): 18149510

約数列:

[1, 2, 5, 10, 59, 107, 118, 214, 295, 337, 535, 590, 674, 1070, 1685, 3370, 6313, 12626, 19883, 31565, 36059, 39766, 63130, 72118, 99415, 180295, 198830, 360590, 2127481, 4254962, 10637405, 21274810]

約数ペア:

[(1, 21274810), (2, 10637405), (5, 4254962), (10, 2127481), (59, 360590), (107, 198830), (118, 180295), (214, 99415), (295, 72118), (337, 63130), (535, 39766), (590, 36059), (674, 31565), (1070, 19883), (1685, 12626), (3370, 6313)]