21553048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{953}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 44303760

約数和(自身を除く): 22750712

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 257, 514, 953, 1028, 1906, 2056, 2827, 3812, 5654, 7624, 10483, 11308, 20966, 22616, 41932, 83864, 244921, 489842, 979684, 1959368, 2694131, 5388262, 10776524, 21553048]

約数ペア:

[(1, 21553048), (2, 10776524), (4, 5388262), (8, 2694131), (11, 1959368), (22, 979684), (44, 489842), (88, 244921), (257, 83864), (514, 41932), (953, 22616), (1028, 20966), (1906, 11308), (2056, 10483), (2827, 7624), (3812, 5654)]