21146568

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1321}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 57110400

約数和(自身を除く): 35963832

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 29, 46, 58, 69, 87, 92, 116, 138, 174, 184, 232, 276, 348, 552, 667, 696, 1321, 1334, 2001, 2642, 2668, 3963, 4002, 5284, 5336, 7926, 8004, 10568, 15852, 16008, 30383, 31704, 38309, 60766, 76618, 91149, 114927, 121532, 153236, 182298, 229854, 243064, 306472, 364596, 459708, 729192, 881107, 919416, 1762214, 2643321, 3524428, 5286642, 7048856, 10573284, 21146568]

約数ペア:

[(1, 21146568), (2, 10573284), (3, 7048856), (4, 5286642), (6, 3524428), (8, 2643321), (12, 1762214), (23, 919416), (24, 881107), (29, 729192), (46, 459708), (58, 364596), (69, 306472), (87, 243064), (92, 229854), (116, 182298), (138, 153236), (174, 121532), (184, 114927), (232, 91149), (276, 76618), (348, 60766), (552, 38309), (667, 31704), (696, 30383), (1321, 16008), (1334, 15852), (2001, 10568), (2642, 8004), (2668, 7926), (3963, 5336), (4002, 5284)]