21024952

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15551}}^1$

素因数の和:15583

約数の個数: 24

約数和(自身を含む): 42690240

約数和(自身を除く): 21665288

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15551, 31102, 62204, 124408, 202163, 404326, 808652, 1617304, 2628119, 5256238, 10512476, 21024952]

約数ペア:

[(1, 21024952), (2, 10512476), (4, 5256238), (8, 2628119), (13, 1617304), (26, 808652), (52, 404326), (104, 202163), (169, 124408), (338, 62204), (676, 31102), (1352, 15551)]