21265792

素因数分解:

$2^7\times {\mathrm{103}}^1\times {\mathrm{1613}}^1$

素因数の和:1730

約数の個数: 32

約数和(自身を含む): 42803280

約数和(自身を除く): 21537488

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 412, 824, 1613, 1648, 3226, 3296, 6452, 6592, 12904, 13184, 25808, 51616, 103232, 166139, 206464, 332278, 664556, 1329112, 2658224, 5316448, 10632896, 21265792]

約数ペア:

[(1, 21265792), (2, 10632896), (4, 5316448), (8, 2658224), (16, 1329112), (32, 664556), (64, 332278), (103, 206464), (128, 166139), (206, 103232), (412, 51616), (824, 25808), (1613, 13184), (1648, 12904), (3226, 6592), (3296, 6452)]