21492792

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{1249}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 58500000

約数和(自身を除く): 37007208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 239, 478, 717, 956, 1249, 1434, 1912, 2151, 2498, 2868, 3747, 4302, 4996, 5736, 7494, 8604, 9992, 11241, 14988, 17208, 22482, 29976, 44964, 89928, 298511, 597022, 895533, 1194044, 1791066, 2388088, 2686599, 3582132, 5373198, 7164264, 10746396, 21492792]

約数ペア:

[(1, 21492792), (2, 10746396), (3, 7164264), (4, 5373198), (6, 3582132), (8, 2686599), (9, 2388088), (12, 1791066), (18, 1194044), (24, 895533), (36, 597022), (72, 298511), (239, 89928), (478, 44964), (717, 29976), (956, 22482), (1249, 17208), (1434, 14988), (1912, 11241), (2151, 9992), (2498, 8604), (2868, 7494), (3747, 5736), (4302, 4996)]