21337472

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12823}}^1$

素因数の和:12850

約数の個数: 32

約数和(自身を含む): 45781680

約数和(自身を除く): 24444208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12823, 25646, 51292, 102584, 166699, 205168, 333398, 410336, 666796, 820672, 1333592, 1641344, 2667184, 5334368, 10668736, 21337472]

約数ペア:

[(1, 21337472), (2, 10668736), (4, 5334368), (8, 2667184), (13, 1641344), (16, 1333592), (26, 820672), (32, 666796), (52, 410336), (64, 333398), (104, 205168), (128, 166699), (208, 102584), (416, 51292), (832, 25646), (1664, 12823)]