21224128

素因数分解:

$2^6\times {\mathrm{401}}^1\times {\mathrm{827}}^1$

素因数の和:1240

約数の個数: 28

約数和(自身を含む): 42272712

約数和(自身を除く): 21048584

約数列:

[1, 2, 4, 8, 16, 32, 64, 401, 802, 827, 1604, 1654, 3208, 3308, 6416, 6616, 12832, 13232, 25664, 26464, 52928, 331627, 663254, 1326508, 2653016, 5306032, 10612064, 21224128]

約数ペア:

[(1, 21224128), (2, 10612064), (4, 5306032), (8, 2653016), (16, 1326508), (32, 663254), (64, 331627), (401, 52928), (802, 26464), (827, 25664), (1604, 13232), (1654, 12832), (3208, 6616), (3308, 6416)]