21582405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 40884480

約数和(自身を除く): 19302075

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 79, 117, 195, 237, 395, 467, 585, 711, 1027, 1185, 1401, 2335, 3081, 3555, 4203, 5135, 6071, 7005, 9243, 15405, 18213, 21015, 30355, 36893, 46215, 54639, 91065, 110679, 184465, 273195, 332037, 479609, 553395, 1438827, 1660185, 2398045, 4316481, 7194135, 21582405]

約数ペア:

[(1, 21582405), (3, 7194135), (5, 4316481), (9, 2398045), (13, 1660185), (15, 1438827), (39, 553395), (45, 479609), (65, 332037), (79, 273195), (117, 184465), (195, 110679), (237, 91065), (395, 54639), (467, 46215), (585, 36893), (711, 30355), (1027, 21015), (1185, 18213), (1401, 15405), (2335, 9243), (3081, 7005), (3555, 6071), (4203, 5135)]