21650256

素因数分解:

$2^4\times 3^2\times {\mathrm{251}}^1\times {\mathrm{599}}^1$

素因数の和:864

約数の個数: 60

約数和(自身を含む): 60933600

約数和(自身を除く): 39283344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 251, 502, 599, 753, 1004, 1198, 1506, 1797, 2008, 2259, 2396, 3012, 3594, 4016, 4518, 4792, 5391, 6024, 7188, 9036, 9584, 10782, 12048, 14376, 18072, 21564, 28752, 36144, 43128, 86256, 150349, 300698, 451047, 601396, 902094, 1202792, 1353141, 1804188, 2405584, 2706282, 3608376, 5412564, 7216752, 10825128, 21650256]

約数ペア:

[(1, 21650256), (2, 10825128), (3, 7216752), (4, 5412564), (6, 3608376), (8, 2706282), (9, 2405584), (12, 1804188), (16, 1353141), (18, 1202792), (24, 902094), (36, 601396), (48, 451047), (72, 300698), (144, 150349), (251, 86256), (502, 43128), (599, 36144), (753, 28752), (1004, 21564), (1198, 18072), (1506, 14376), (1797, 12048), (2008, 10782), (2259, 9584), (2396, 9036), (3012, 7188), (3594, 6024), (4016, 5391), (4518, 4792)]