21102408

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12743}}^1$

素因数の和:12778

約数の個数: 48

約数和(自身を含む): 59641920

約数和(自身を除く): 38539512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12743, 25486, 38229, 50972, 76458, 101944, 114687, 152916, 229374, 293089, 305832, 458748, 586178, 879267, 917496, 1172356, 1758534, 2344712, 2637801, 3517068, 5275602, 7034136, 10551204, 21102408]

約数ペア:

[(1, 21102408), (2, 10551204), (3, 7034136), (4, 5275602), (6, 3517068), (8, 2637801), (9, 2344712), (12, 1758534), (18, 1172356), (23, 917496), (24, 879267), (36, 586178), (46, 458748), (69, 305832), (72, 293089), (92, 229374), (138, 152916), (184, 114687), (207, 101944), (276, 76458), (414, 50972), (552, 38229), (828, 25486), (1656, 12743)]