21900048

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 59996160

約数和(自身を除く): 38096112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 83, 92, 138, 166, 184, 239, 249, 276, 332, 368, 478, 498, 552, 664, 717, 956, 996, 1104, 1328, 1434, 1909, 1912, 1992, 2868, 3818, 3824, 3984, 5497, 5727, 5736, 7636, 10994, 11454, 11472, 15272, 16491, 19837, 21988, 22908, 30544, 32982, 39674, 43976, 45816, 59511, 65964, 79348, 87952, 91632, 119022, 131928, 158696, 238044, 263856, 317392, 456251, 476088, 912502, 952176, 1368753, 1825004, 2737506, 3650008, 5475012, 7300016, 10950024, 21900048]

約数ペア:

[(1, 21900048), (2, 10950024), (3, 7300016), (4, 5475012), (6, 3650008), (8, 2737506), (12, 1825004), (16, 1368753), (23, 952176), (24, 912502), (46, 476088), (48, 456251), (69, 317392), (83, 263856), (92, 238044), (138, 158696), (166, 131928), (184, 119022), (239, 91632), (249, 87952), (276, 79348), (332, 65964), (368, 59511), (478, 45816), (498, 43976), (552, 39674), (664, 32982), (717, 30544), (956, 22908), (996, 21988), (1104, 19837), (1328, 16491), (1434, 15272), (1909, 11472), (1912, 11454), (1992, 10994), (2868, 7636), (3818, 5736), (3824, 5727), (3984, 5497)]