21162232

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 50097600

約数和(自身を除く): 28935368

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 104, 164, 182, 287, 328, 364, 533, 574, 709, 728, 1066, 1148, 1418, 2132, 2296, 2836, 3731, 4264, 4963, 5672, 7462, 9217, 9926, 14924, 18434, 19852, 29069, 29848, 36868, 39704, 58138, 64519, 73736, 116276, 129038, 203483, 232552, 258076, 377897, 406966, 516152, 755794, 813932, 1511588, 1627864, 2645279, 3023176, 5290558, 10581116, 21162232]

約数ペア:

[(1, 21162232), (2, 10581116), (4, 5290558), (7, 3023176), (8, 2645279), (13, 1627864), (14, 1511588), (26, 813932), (28, 755794), (41, 516152), (52, 406966), (56, 377897), (82, 258076), (91, 232552), (104, 203483), (164, 129038), (182, 116276), (287, 73736), (328, 64519), (364, 58138), (533, 39704), (574, 36868), (709, 29848), (728, 29069), (1066, 19852), (1148, 18434), (1418, 14924), (2132, 9926), (2296, 9217), (2836, 7462), (3731, 5672), (4264, 4963)]