21171592

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 24551288

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 53, 92, 104, 106, 167, 184, 212, 299, 334, 424, 598, 668, 689, 1196, 1219, 1336, 1378, 2171, 2392, 2438, 2756, 3841, 4342, 4876, 5512, 7682, 8684, 8851, 9752, 15364, 15847, 17368, 17702, 30728, 31694, 35404, 49933, 63388, 70808, 99866, 115063, 126776, 199732, 203573, 230126, 399464, 407146, 460252, 814292, 920504, 1628584, 2646449, 5292898, 10585796, 21171592]

約数ペア:

[(1, 21171592), (2, 10585796), (4, 5292898), (8, 2646449), (13, 1628584), (23, 920504), (26, 814292), (46, 460252), (52, 407146), (53, 399464), (92, 230126), (104, 203573), (106, 199732), (167, 126776), (184, 115063), (212, 99866), (299, 70808), (334, 63388), (424, 49933), (598, 35404), (668, 31694), (689, 30728), (1196, 17702), (1219, 17368), (1336, 15847), (1378, 15364), (2171, 9752), (2392, 8851), (2438, 8684), (2756, 7682), (3841, 5512), (4342, 4876)]