21131232

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{5119}}^1$

素因数の和:5175

約数の個数: 48

約数和(自身を含む): 56770560

約数和(自身を除く): 35639328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 5119, 10238, 15357, 20476, 30714, 40952, 61428, 81904, 122856, 163808, 220117, 245712, 440234, 491424, 660351, 880468, 1320702, 1760936, 2641404, 3521872, 5282808, 7043744, 10565616, 21131232]

約数ペア:

[(1, 21131232), (2, 10565616), (3, 7043744), (4, 5282808), (6, 3521872), (8, 2641404), (12, 1760936), (16, 1320702), (24, 880468), (32, 660351), (43, 491424), (48, 440234), (86, 245712), (96, 220117), (129, 163808), (172, 122856), (258, 81904), (344, 61428), (516, 40952), (688, 30714), (1032, 20476), (1376, 15357), (2064, 10238), (4128, 5119)]