21869718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16493}}^1$

素因数の和:16528

約数の個数: 32

約数和(自身を含む): 49877856

約数和(自身を除く): 28008138

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 16493, 32986, 49479, 98958, 214409, 280381, 428818, 560762, 643227, 841143, 1286454, 1682286, 3644953, 7289906, 10934859, 21869718]

約数ペア:

[(1, 21869718), (2, 10934859), (3, 7289906), (6, 3644953), (13, 1682286), (17, 1286454), (26, 841143), (34, 643227), (39, 560762), (51, 428818), (78, 280381), (102, 214409), (221, 98958), (442, 49479), (663, 32986), (1326, 16493)]