21783456

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1759}}^1$

素因数の和:1818

約数の個数: 72

約数和(自身を含む): 63423360

約数和(自身を除く): 41639904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 1759, 2064, 3096, 3518, 4128, 5277, 6192, 7036, 10554, 12384, 14072, 15831, 21108, 28144, 31662, 42216, 56288, 63324, 75637, 84432, 126648, 151274, 168864, 226911, 253296, 302548, 453822, 506592, 605096, 680733, 907644, 1210192, 1361466, 1815288, 2420384, 2722932, 3630576, 5445864, 7261152, 10891728, 21783456]

約数ペア:

[(1, 21783456), (2, 10891728), (3, 7261152), (4, 5445864), (6, 3630576), (8, 2722932), (9, 2420384), (12, 1815288), (16, 1361466), (18, 1210192), (24, 907644), (32, 680733), (36, 605096), (43, 506592), (48, 453822), (72, 302548), (86, 253296), (96, 226911), (129, 168864), (144, 151274), (172, 126648), (258, 84432), (288, 75637), (344, 63324), (387, 56288), (516, 42216), (688, 31662), (774, 28144), (1032, 21108), (1376, 15831), (1548, 14072), (1759, 12384), (2064, 10554), (3096, 7036), (3518, 6192), (4128, 5277)]