21707676

素因数分解:

$2^2\times 3^5\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 37732068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 243, 276, 324, 414, 486, 621, 828, 971, 972, 1242, 1863, 1942, 2484, 2913, 3726, 3884, 5589, 5826, 7452, 8739, 11178, 11652, 17478, 22333, 22356, 26217, 34956, 44666, 52434, 66999, 78651, 89332, 104868, 133998, 157302, 200997, 235953, 267996, 314604, 401994, 471906, 602991, 803988, 943812, 1205982, 1808973, 2411964, 3617946, 5426919, 7235892, 10853838, 21707676]

約数ペア:

[(1, 21707676), (2, 10853838), (3, 7235892), (4, 5426919), (6, 3617946), (9, 2411964), (12, 1808973), (18, 1205982), (23, 943812), (27, 803988), (36, 602991), (46, 471906), (54, 401994), (69, 314604), (81, 267996), (92, 235953), (108, 200997), (138, 157302), (162, 133998), (207, 104868), (243, 89332), (276, 78651), (324, 66999), (414, 52434), (486, 44666), (621, 34956), (828, 26217), (971, 22356), (972, 22333), (1242, 17478), (1863, 11652), (1942, 11178), (2484, 8739), (2913, 7452), (3726, 5826), (3884, 5589)]