21027048

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2663}}^1$

素因数の和:2726

約数の個数: 64

約数和(自身を含む): 61378560

約数和(自身を除く): 40351512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 1128, 1316, 1974, 2632, 2663, 3948, 5326, 7896, 7989, 10652, 15978, 18641, 21304, 31956, 37282, 55923, 63912, 74564, 111846, 125161, 149128, 223692, 250322, 375483, 447384, 500644, 750966, 876127, 1001288, 1501932, 1752254, 2628381, 3003864, 3504508, 5256762, 7009016, 10513524, 21027048]

約数ペア:

[(1, 21027048), (2, 10513524), (3, 7009016), (4, 5256762), (6, 3504508), (7, 3003864), (8, 2628381), (12, 1752254), (14, 1501932), (21, 1001288), (24, 876127), (28, 750966), (42, 500644), (47, 447384), (56, 375483), (84, 250322), (94, 223692), (141, 149128), (168, 125161), (188, 111846), (282, 74564), (329, 63912), (376, 55923), (564, 37282), (658, 31956), (987, 21304), (1128, 18641), (1316, 15978), (1974, 10652), (2632, 7989), (2663, 7896), (3948, 5326)]