21368184

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 57335040

約数和(自身を除く): 35966856

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 83, 102, 136, 166, 204, 249, 332, 408, 498, 631, 664, 996, 1262, 1411, 1893, 1992, 2524, 2822, 3786, 4233, 5048, 5644, 7572, 8466, 10727, 11288, 15144, 16932, 21454, 32181, 33864, 42908, 52373, 64362, 85816, 104746, 128724, 157119, 209492, 257448, 314238, 418984, 628476, 890341, 1256952, 1780682, 2671023, 3561364, 5342046, 7122728, 10684092, 21368184]

約数ペア:

[(1, 21368184), (2, 10684092), (3, 7122728), (4, 5342046), (6, 3561364), (8, 2671023), (12, 1780682), (17, 1256952), (24, 890341), (34, 628476), (51, 418984), (68, 314238), (83, 257448), (102, 209492), (136, 157119), (166, 128724), (204, 104746), (249, 85816), (332, 64362), (408, 52373), (498, 42908), (631, 33864), (664, 32181), (996, 21454), (1262, 16932), (1411, 15144), (1893, 11288), (1992, 10727), (2524, 8466), (2822, 7572), (3786, 5644), (4233, 5048)]