21034048

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1619}}^1$

素因数の和:1667

約数の個数: 56

約数和(自身を含む): 49377600

約数和(自身を除く): 28343552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 203, 224, 232, 406, 448, 464, 812, 928, 1619, 1624, 1856, 3238, 3248, 6476, 6496, 11333, 12952, 12992, 22666, 25904, 45332, 46951, 51808, 90664, 93902, 103616, 181328, 187804, 328657, 362656, 375608, 657314, 725312, 751216, 1314628, 1502432, 2629256, 3004864, 5258512, 10517024, 21034048]

約数ペア:

[(1, 21034048), (2, 10517024), (4, 5258512), (7, 3004864), (8, 2629256), (14, 1502432), (16, 1314628), (28, 751216), (29, 725312), (32, 657314), (56, 375608), (58, 362656), (64, 328657), (112, 187804), (116, 181328), (203, 103616), (224, 93902), (232, 90664), (406, 51808), (448, 46951), (464, 45332), (812, 25904), (928, 22666), (1619, 12992), (1624, 12952), (1856, 11333), (3238, 6496), (3248, 6476)]