21301696

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25603}}^1$

素因数の和:25628

約数の個数: 28

約数和(自身を含む): 45523912

約数和(自身を除く): 24222216

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25603, 51206, 102412, 204824, 332839, 409648, 665678, 819296, 1331356, 1638592, 2662712, 5325424, 10650848, 21301696]

約数ペア:

[(1, 21301696), (2, 10650848), (4, 5325424), (8, 2662712), (13, 1638592), (16, 1331356), (26, 819296), (32, 665678), (52, 409648), (64, 332839), (104, 204824), (208, 102412), (416, 51206), (832, 25603)]