21246216

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16703}}^1$

素因数の和:16765

約数の個数: 32

約数和(自身を含む): 54120960

約数和(自身を除く): 32874744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16703, 33406, 50109, 66812, 100218, 133624, 200436, 400872, 885259, 1770518, 2655777, 3541036, 5311554, 7082072, 10623108, 21246216]

約数ペア:

[(1, 21246216), (2, 10623108), (3, 7082072), (4, 5311554), (6, 3541036), (8, 2655777), (12, 1770518), (24, 885259), (53, 400872), (106, 200436), (159, 133624), (212, 100218), (318, 66812), (424, 50109), (636, 33406), (1272, 16703)]