21109824

素因数分解:

$2^6\times 3^2\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:632

約数の個数: 84

約数和(自身を含む): 61522864

約数和(自身を除く): 40413040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 67, 72, 96, 134, 144, 192, 201, 268, 288, 402, 536, 547, 576, 603, 804, 1072, 1094, 1206, 1608, 1641, 2144, 2188, 2412, 3216, 3282, 4288, 4376, 4824, 4923, 6432, 6564, 8752, 9648, 9846, 12864, 13128, 17504, 19296, 19692, 26256, 35008, 36649, 38592, 39384, 52512, 73298, 78768, 105024, 109947, 146596, 157536, 219894, 293192, 315072, 329841, 439788, 586384, 659682, 879576, 1172768, 1319364, 1759152, 2345536, 2638728, 3518304, 5277456, 7036608, 10554912, 21109824]

約数ペア:

[(1, 21109824), (2, 10554912), (3, 7036608), (4, 5277456), (6, 3518304), (8, 2638728), (9, 2345536), (12, 1759152), (16, 1319364), (18, 1172768), (24, 879576), (32, 659682), (36, 586384), (48, 439788), (64, 329841), (67, 315072), (72, 293192), (96, 219894), (134, 157536), (144, 146596), (192, 109947), (201, 105024), (268, 78768), (288, 73298), (402, 52512), (536, 39384), (547, 38592), (576, 36649), (603, 35008), (804, 26256), (1072, 19692), (1094, 19296), (1206, 17504), (1608, 13128), (1641, 12864), (2144, 9846), (2188, 9648), (2412, 8752), (3216, 6564), (3282, 6432), (4288, 4923), (4376, 4824)]