21871232

素因数分解:

$2^7\times {\mathrm{241}}^1\times {\mathrm{709}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 43814100

約数和(自身を除く): 21942868

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 241, 482, 709, 964, 1418, 1928, 2836, 3856, 5672, 7712, 11344, 15424, 22688, 30848, 45376, 90752, 170869, 341738, 683476, 1366952, 2733904, 5467808, 10935616, 21871232]

約数ペア:

[(1, 21871232), (2, 10935616), (4, 5467808), (8, 2733904), (16, 1366952), (32, 683476), (64, 341738), (128, 170869), (241, 90752), (482, 45376), (709, 30848), (964, 22688), (1418, 15424), (1928, 11344), (2836, 7712), (3856, 5672)]