21540632

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1063}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 43092000

約数和(自身を除く): 21551368

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 149, 298, 596, 1063, 1192, 2126, 2533, 4252, 5066, 8504, 10132, 18071, 20264, 36142, 72284, 144568, 158387, 316774, 633548, 1267096, 2692579, 5385158, 10770316, 21540632]

約数ペア:

[(1, 21540632), (2, 10770316), (4, 5385158), (8, 2692579), (17, 1267096), (34, 633548), (68, 316774), (136, 158387), (149, 144568), (298, 72284), (596, 36142), (1063, 20264), (1192, 18071), (2126, 10132), (2533, 8504), (4252, 5066)]