21949984

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 53222400

約数和(自身を除く): 31272416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 32, 56, 58, 62, 109, 112, 116, 124, 203, 217, 218, 224, 232, 248, 406, 434, 436, 464, 496, 763, 812, 868, 872, 899, 928, 992, 1526, 1624, 1736, 1744, 1798, 3052, 3161, 3248, 3379, 3472, 3488, 3596, 6104, 6293, 6322, 6496, 6758, 6944, 7192, 12208, 12586, 12644, 13516, 14384, 22127, 23653, 24416, 25172, 25288, 27032, 28768, 44254, 47306, 50344, 50576, 54064, 88508, 94612, 97991, 100688, 101152, 108128, 177016, 189224, 195982, 201376, 354032, 378448, 391964, 685937, 708064, 756896, 783928, 1371874, 1567856, 2743748, 3135712, 5487496, 10974992, 21949984]

約数ペア:

[(1, 21949984), (2, 10974992), (4, 5487496), (7, 3135712), (8, 2743748), (14, 1567856), (16, 1371874), (28, 783928), (29, 756896), (31, 708064), (32, 685937), (56, 391964), (58, 378448), (62, 354032), (109, 201376), (112, 195982), (116, 189224), (124, 177016), (203, 108128), (217, 101152), (218, 100688), (224, 97991), (232, 94612), (248, 88508), (406, 54064), (434, 50576), (436, 50344), (464, 47306), (496, 44254), (763, 28768), (812, 27032), (868, 25288), (872, 25172), (899, 24416), (928, 23653), (992, 22127), (1526, 14384), (1624, 13516), (1736, 12644), (1744, 12586), (1798, 12208), (3052, 7192), (3161, 6944), (3248, 6758), (3379, 6496), (3472, 6322), (3488, 6293), (3596, 6104)]