21430016

素因数分解:

$2^8\times {\mathrm{97}}^1\times {\mathrm{863}}^1$

素因数の和:976

約数の個数: 36

約数和(自身を含む): 43267392

約数和(自身を除く): 21837376

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 256, 388, 776, 863, 1552, 1726, 3104, 3452, 6208, 6904, 12416, 13808, 24832, 27616, 55232, 83711, 110464, 167422, 220928, 334844, 669688, 1339376, 2678752, 5357504, 10715008, 21430016]

約数ペア:

[(1, 21430016), (2, 10715008), (4, 5357504), (8, 2678752), (16, 1339376), (32, 669688), (64, 334844), (97, 220928), (128, 167422), (194, 110464), (256, 83711), (388, 55232), (776, 27616), (863, 24832), (1552, 13808), (1726, 12416), (3104, 6904), (3452, 6208)]