21293386384

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{204461}}^1$

素因数の和:204775

約数の個数: 40

約数和(自身を含む): 43202002752

約数和(自身を除く): 21908616368

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 283, 368, 566, 1132, 2264, 4528, 6509, 13018, 26036, 52072, 104144, 204461, 408922, 817844, 1635688, 3271376, 4702603, 9405206, 18810412, 37620824, 57862463, 75241648, 115724926, 231449852, 462899704, 925799408, 1330836649, 2661673298, 5323346596, 10646693192, 21293386384]

約数ペア:

[(1, 21293386384), (2, 10646693192), (4, 5323346596), (8, 2661673298), (16, 1330836649), (23, 925799408), (46, 462899704), (92, 231449852), (184, 115724926), (283, 75241648), (368, 57862463), (566, 37620824), (1132, 18810412), (2264, 9405206), (4528, 4702603), (6509, 3271376), (13018, 1635688), (26036, 817844), (52072, 408922), (104144, 204461)]