21129312

素因数分解:

$2^5\times 3^1\times {\mathrm{89}}^1\times {\mathrm{2473}}^1$

素因数の和:2575

約数の個数: 48

約数和(自身を含む): 56110320

約数和(自身を除く): 34981008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 89, 96, 178, 267, 356, 534, 712, 1068, 1424, 2136, 2473, 2848, 4272, 4946, 7419, 8544, 9892, 14838, 19784, 29676, 39568, 59352, 79136, 118704, 220097, 237408, 440194, 660291, 880388, 1320582, 1760776, 2641164, 3521552, 5282328, 7043104, 10564656, 21129312]

約数ペア:

[(1, 21129312), (2, 10564656), (3, 7043104), (4, 5282328), (6, 3521552), (8, 2641164), (12, 1760776), (16, 1320582), (24, 880388), (32, 660291), (48, 440194), (89, 237408), (96, 220097), (178, 118704), (267, 79136), (356, 59352), (534, 39568), (712, 29676), (1068, 19784), (1424, 14838), (2136, 9892), (2473, 8544), (2848, 7419), (4272, 4946)]