21168288

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2418

約数の個数: 72

約数和(自身を含む): 62165376

約数和(自身を除く): 40997088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2371, 2976, 4464, 4742, 7113, 8928, 9484, 14226, 18968, 21339, 28452, 37936, 42678, 56904, 73501, 75872, 85356, 113808, 147002, 170712, 220503, 227616, 294004, 341424, 441006, 588008, 661509, 682848, 882012, 1176016, 1323018, 1764024, 2352032, 2646036, 3528048, 5292072, 7056096, 10584144, 21168288]

約数ペア:

[(1, 21168288), (2, 10584144), (3, 7056096), (4, 5292072), (6, 3528048), (8, 2646036), (9, 2352032), (12, 1764024), (16, 1323018), (18, 1176016), (24, 882012), (31, 682848), (32, 661509), (36, 588008), (48, 441006), (62, 341424), (72, 294004), (93, 227616), (96, 220503), (124, 170712), (144, 147002), (186, 113808), (248, 85356), (279, 75872), (288, 73501), (372, 56904), (496, 42678), (558, 37936), (744, 28452), (992, 21339), (1116, 18968), (1488, 14226), (2232, 9484), (2371, 8928), (2976, 7113), (4464, 4742)]