21751168

素因数分解:

$2^7\times {\mathrm{109}}^1\times {\mathrm{1559}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 43758000

約数和(自身を除く): 22006832

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 436, 872, 1559, 1744, 3118, 3488, 6236, 6976, 12472, 13952, 24944, 49888, 99776, 169931, 199552, 339862, 679724, 1359448, 2718896, 5437792, 10875584, 21751168]

約数ペア:

[(1, 21751168), (2, 10875584), (4, 5437792), (8, 2718896), (16, 1359448), (32, 679724), (64, 339862), (109, 199552), (128, 169931), (218, 99776), (436, 49888), (872, 24944), (1559, 13952), (1744, 12472), (3118, 6976), (3488, 6236)]