21037515243

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1\times {\mathrm{2141}}^1$

素因数の和:2603

約数の個数: 32

約数和(自身を含む): 28651392000

約数和(自身を除く): 7613876757

約数列:

[1, 3, 109, 151, 199, 327, 453, 597, 2141, 6423, 16459, 21691, 30049, 49377, 65073, 90147, 233369, 323291, 426059, 700107, 969873, 1278177, 3275341, 9826023, 35238719, 46440431, 64334909, 105716157, 139321293, 193004727, 7012505081, 21037515243]

約数ペア:

[(1, 21037515243), (3, 7012505081), (109, 193004727), (151, 139321293), (199, 105716157), (327, 64334909), (453, 46440431), (597, 35238719), (2141, 9826023), (6423, 3275341), (16459, 1278177), (21691, 969873), (30049, 700107), (49377, 426059), (65073, 323291), (90147, 233369)]