21046244

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 37709280

約数和(自身を除く): 16663036

約数列:

[1, 2, 4, 59, 118, 236, 257, 347, 514, 694, 1028, 1388, 15163, 20473, 30326, 40946, 60652, 81892, 89179, 178358, 356716, 5261561, 10523122, 21046244]

約数ペア:

[(1, 21046244), (2, 10523122), (4, 5261561), (59, 356716), (118, 178358), (236, 89179), (257, 81892), (347, 60652), (514, 40946), (694, 30326), (1028, 20473), (1388, 15163)]