21063459356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2381}}^1\times {\mathrm{2707}}^1$

素因数の和:5154

約数の個数: 48

約数和(自身を含む): 39734808960

約数和(自身を除く): 18671349604

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 2381, 2707, 3268, 4762, 5414, 9524, 10828, 45239, 51433, 90478, 102383, 102866, 116401, 180956, 204766, 205732, 232802, 409532, 465604, 1945277, 2211619, 3890554, 4423238, 6445367, 7781108, 8846476, 12890734, 25781468, 122461973, 244923946, 277150781, 489847892, 554301562, 1108603124, 5265864839, 10531729678, 21063459356]

約数ペア:

[(1, 21063459356), (2, 10531729678), (4, 5265864839), (19, 1108603124), (38, 554301562), (43, 489847892), (76, 277150781), (86, 244923946), (172, 122461973), (817, 25781468), (1634, 12890734), (2381, 8846476), (2707, 7781108), (3268, 6445367), (4762, 4423238), (5414, 3890554), (9524, 2211619), (10828, 1945277), (45239, 465604), (51433, 409532), (90478, 232802), (102383, 205732), (102866, 204766), (116401, 180956)]