21084984

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15413}}^1$

素因数の和:15444

約数の個数: 48

約数和(自身を含む): 60114600

約数和(自身を除く): 39029616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15413, 30826, 46239, 61652, 92478, 123304, 138717, 184956, 277434, 292847, 369912, 554868, 585694, 878541, 1109736, 1171388, 1757082, 2342776, 2635623, 3514164, 5271246, 7028328, 10542492, 21084984]

約数ペア:

[(1, 21084984), (2, 10542492), (3, 7028328), (4, 5271246), (6, 3514164), (8, 2635623), (9, 2342776), (12, 1757082), (18, 1171388), (19, 1109736), (24, 878541), (36, 585694), (38, 554868), (57, 369912), (72, 292847), (76, 277434), (114, 184956), (152, 138717), (171, 123304), (228, 92478), (342, 61652), (456, 46239), (684, 30826), (1368, 15413)]