21134748

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 50753024

約数和(自身を除く): 29618276

約数列:

[1, 2, 3, 4, 6, 12, 67, 97, 134, 194, 201, 268, 271, 291, 388, 402, 542, 582, 804, 813, 1084, 1164, 1626, 3252, 6499, 12998, 18157, 19497, 25996, 26287, 36314, 38994, 52574, 54471, 72628, 77988, 78861, 105148, 108942, 157722, 217884, 315444, 1761229, 3522458, 5283687, 7044916, 10567374, 21134748]

約数ペア:

[(1, 21134748), (2, 10567374), (3, 7044916), (4, 5283687), (6, 3522458), (12, 1761229), (67, 315444), (97, 217884), (134, 157722), (194, 108942), (201, 105148), (268, 78861), (271, 77988), (291, 72628), (388, 54471), (402, 52574), (542, 38994), (582, 36314), (804, 26287), (813, 25996), (1084, 19497), (1164, 18157), (1626, 12998), (3252, 6499)]