21460096

素因数分解:

$2^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 50086080

約数和(自身を除く): 28625984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 301, 344, 448, 557, 602, 688, 896, 1114, 1204, 1376, 2228, 2408, 2752, 3899, 4456, 4816, 5504, 7798, 8912, 9632, 15596, 17824, 19264, 23951, 31192, 35648, 38528, 47902, 62384, 71296, 95804, 124768, 167657, 191608, 249536, 335314, 383216, 499072, 670628, 766432, 1341256, 1532864, 2682512, 3065728, 5365024, 10730048, 21460096]

約数ペア:

[(1, 21460096), (2, 10730048), (4, 5365024), (7, 3065728), (8, 2682512), (14, 1532864), (16, 1341256), (28, 766432), (32, 670628), (43, 499072), (56, 383216), (64, 335314), (86, 249536), (112, 191608), (128, 167657), (172, 124768), (224, 95804), (301, 71296), (344, 62384), (448, 47902), (557, 38528), (602, 35648), (688, 31192), (896, 23951), (1114, 19264), (1204, 17824), (1376, 15596), (2228, 9632), (2408, 8912), (2752, 7798), (3899, 5504), (4456, 4816)]