21811038

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2591}}^1$

素因数の和:2680

約数の個数: 32

約数和(自身を含む): 46282752

約数和(自身を除く): 24471714

約数列:

[1, 2, 3, 6, 23, 46, 61, 69, 122, 138, 183, 366, 1403, 2591, 2806, 4209, 5182, 7773, 8418, 15546, 59593, 119186, 158051, 178779, 316102, 357558, 474153, 948306, 3635173, 7270346, 10905519, 21811038]

約数ペア:

[(1, 21811038), (2, 10905519), (3, 7270346), (6, 3635173), (23, 948306), (46, 474153), (61, 357558), (69, 316102), (122, 178779), (138, 158051), (183, 119186), (366, 59593), (1403, 15546), (2591, 8418), (2806, 7773), (4209, 5182)]