21567195

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12289}}^1$

素因数の和:12316

約数の個数: 32

約数和(自身を含む): 41294400

約数和(自身を除く): 19727205

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 12289, 36867, 61445, 110601, 159757, 184335, 331803, 479271, 553005, 798785, 1437813, 1659015, 2396355, 4313439, 7189065, 21567195]

約数ペア:

[(1, 21567195), (3, 7189065), (5, 4313439), (9, 2396355), (13, 1659015), (15, 1437813), (27, 798785), (39, 553005), (45, 479271), (65, 331803), (117, 184335), (135, 159757), (195, 110601), (351, 61445), (585, 36867), (1755, 12289)]