21421167296

素因数分解:

$2^6\times {\mathrm{251}}^1\times {\mathrm{1333489}}^1$

素因数の和:1333752

約数の個数: 28

約数和(自身を含む): 42677013960

約数和(自身を除く): 21255846664

約数列:

[1, 2, 4, 8, 16, 32, 64, 251, 502, 1004, 2008, 4016, 8032, 16064, 1333489, 2666978, 5333956, 10667912, 21335824, 42671648, 85343296, 334705739, 669411478, 1338822956, 2677645912, 5355291824, 10710583648, 21421167296]

約数ペア:

[(1, 21421167296), (2, 10710583648), (4, 5355291824), (8, 2677645912), (16, 1338822956), (32, 669411478), (64, 334705739), (251, 85343296), (502, 42671648), (1004, 21335824), (2008, 10667912), (4016, 5333956), (8032, 2666978), (16064, 1333489)]