21041752

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 41163120

約数和(自身を除く): 20121368

約数列:

[1, 2, 4, 8, 37, 67, 74, 134, 148, 268, 296, 536, 1061, 2122, 2479, 4244, 4958, 8488, 9916, 19832, 39257, 71087, 78514, 142174, 157028, 284348, 314056, 568696, 2630219, 5260438, 10520876, 21041752]

約数ペア:

[(1, 21041752), (2, 10520876), (4, 5260438), (8, 2630219), (37, 568696), (67, 314056), (74, 284348), (134, 157028), (148, 142174), (268, 78514), (296, 71087), (536, 39257), (1061, 19832), (2122, 9916), (2479, 8488), (4244, 4958)]