21042944

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6323}}^1$

素因数の和:6352

約数の個数: 36

約数和(自身を含む): 45241896

約数和(自身を除く): 24198952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6323, 12646, 25292, 50584, 82199, 101168, 164398, 202336, 328796, 404672, 657592, 809344, 1315184, 1618688, 2630368, 5260736, 10521472, 21042944]

約数ペア:

[(1, 21042944), (2, 10521472), (4, 5260736), (8, 2630368), (13, 1618688), (16, 1315184), (26, 809344), (32, 657592), (52, 404672), (64, 328796), (104, 202336), (128, 164398), (208, 101168), (256, 82199), (416, 50584), (832, 25292), (1664, 12646), (3328, 6323)]