21543894

素因数分解:

$2^1\times 3^5\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 49013328

約数和(自身を除く): 27469434

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 97, 162, 194, 243, 291, 457, 486, 582, 873, 914, 1371, 1746, 2619, 2742, 4113, 5238, 7857, 8226, 12339, 15714, 23571, 24678, 37017, 44329, 47142, 74034, 88658, 111051, 132987, 222102, 265974, 398961, 797922, 1196883, 2393766, 3590649, 7181298, 10771947, 21543894]

約数ペア:

[(1, 21543894), (2, 10771947), (3, 7181298), (6, 3590649), (9, 2393766), (18, 1196883), (27, 797922), (54, 398961), (81, 265974), (97, 222102), (162, 132987), (194, 111051), (243, 88658), (291, 74034), (457, 47142), (486, 44329), (582, 37017), (873, 24678), (914, 23571), (1371, 15714), (1746, 12339), (2619, 8226), (2742, 7857), (4113, 5238)]