21845888

素因数分解:

$2^7\times {\mathrm{103}}^1\times {\mathrm{1657}}^1$

素因数の和:1774

約数の個数: 32

約数和(自身を含む): 43970160

約数和(自身を除く): 22124272

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 412, 824, 1648, 1657, 3296, 3314, 6592, 6628, 13184, 13256, 26512, 53024, 106048, 170671, 212096, 341342, 682684, 1365368, 2730736, 5461472, 10922944, 21845888]

約数ペア:

[(1, 21845888), (2, 10922944), (4, 5461472), (8, 2730736), (16, 1365368), (32, 682684), (64, 341342), (103, 212096), (128, 170671), (206, 106048), (412, 53024), (824, 26512), (1648, 13256), (1657, 13184), (3296, 6628), (3314, 6592)]