21454656

素因数分解:

$2^6\times 3^1\times {\mathrm{131}}^1\times {\mathrm{853}}^1$

素因数の和:999

約数の個数: 56

約数和(自身を含む): 57265824

約数和(自身を除く): 35811168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 131, 192, 262, 393, 524, 786, 853, 1048, 1572, 1706, 2096, 2559, 3144, 3412, 4192, 5118, 6288, 6824, 8384, 10236, 12576, 13648, 20472, 25152, 27296, 40944, 54592, 81888, 111743, 163776, 223486, 335229, 446972, 670458, 893944, 1340916, 1787888, 2681832, 3575776, 5363664, 7151552, 10727328, 21454656]

約数ペア:

[(1, 21454656), (2, 10727328), (3, 7151552), (4, 5363664), (6, 3575776), (8, 2681832), (12, 1787888), (16, 1340916), (24, 893944), (32, 670458), (48, 446972), (64, 335229), (96, 223486), (131, 163776), (192, 111743), (262, 81888), (393, 54592), (524, 40944), (786, 27296), (853, 25152), (1048, 20472), (1572, 13648), (1706, 12576), (2096, 10236), (2559, 8384), (3144, 6824), (3412, 6288), (4192, 5118)]