21411195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5779}}^1$

素因数の和:5819

約数の個数: 32

約数和(自身を含む): 38841600

約数和(自身を除く): 17430405

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5779, 17337, 28895, 75127, 86685, 109801, 225381, 329403, 375635, 549005, 1126905, 1427413, 1647015, 4282239, 7137065, 21411195]

約数ペア:

[(1, 21411195), (3, 7137065), (5, 4282239), (13, 1647015), (15, 1427413), (19, 1126905), (39, 549005), (57, 375635), (65, 329403), (95, 225381), (195, 109801), (247, 86685), (285, 75127), (741, 28895), (1235, 17337), (3705, 5779)]