21767564

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8543}}^1$

素因数の和:8574

約数の個数: 36

約数和(自身を含む): 47726784

約数和(自身を除く): 25959220

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8543, 17086, 34172, 59801, 111059, 119602, 222118, 239204, 418607, 444236, 777413, 837214, 1554826, 1674428, 3109652, 5441891, 10883782, 21767564]

約数ペア:

[(1, 21767564), (2, 10883782), (4, 5441891), (7, 3109652), (13, 1674428), (14, 1554826), (26, 837214), (28, 777413), (49, 444236), (52, 418607), (91, 239204), (98, 222118), (182, 119602), (196, 111059), (364, 59801), (637, 34172), (1274, 17086), (2548, 8543)]