21704064

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:1995

約数の個数: 64

約数和(自身を含む): 59670000

約数和(自身を除く): 37965936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 348, 384, 464, 696, 928, 1392, 1856, 1949, 2784, 3712, 3898, 5568, 5847, 7796, 11136, 11694, 15592, 23388, 31184, 46776, 56521, 62368, 93552, 113042, 124736, 169563, 187104, 226084, 249472, 339126, 374208, 452168, 678252, 748416, 904336, 1356504, 1808672, 2713008, 3617344, 5426016, 7234688, 10852032, 21704064]

約数ペア:

[(1, 21704064), (2, 10852032), (3, 7234688), (4, 5426016), (6, 3617344), (8, 2713008), (12, 1808672), (16, 1356504), (24, 904336), (29, 748416), (32, 678252), (48, 452168), (58, 374208), (64, 339126), (87, 249472), (96, 226084), (116, 187104), (128, 169563), (174, 124736), (192, 113042), (232, 93552), (348, 62368), (384, 56521), (464, 46776), (696, 31184), (928, 23388), (1392, 15592), (1856, 11694), (1949, 11136), (2784, 7796), (3712, 5847), (3898, 5568)]