21085184

素因数分解:

$2^{10}\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:428

約数の個数: 44

約数和(自身を含む): 42987000

約数和(自身を除く): 21901816

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 349, 472, 512, 698, 944, 1024, 1396, 1888, 2792, 3776, 5584, 7552, 11168, 15104, 20591, 22336, 30208, 41182, 44672, 60416, 82364, 89344, 164728, 178688, 329456, 357376, 658912, 1317824, 2635648, 5271296, 10542592, 21085184]

約数ペア:

[(1, 21085184), (2, 10542592), (4, 5271296), (8, 2635648), (16, 1317824), (32, 658912), (59, 357376), (64, 329456), (118, 178688), (128, 164728), (236, 89344), (256, 82364), (349, 60416), (472, 44672), (512, 41182), (698, 30208), (944, 22336), (1024, 20591), (1396, 15104), (1888, 11168), (2792, 7552), (3776, 5584)]