21275886

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 43430400

約数和(自身を除く): 22154514

約数列:

[1, 2, 3, 6, 103, 173, 199, 206, 309, 346, 398, 519, 597, 618, 1038, 1194, 17819, 20497, 34427, 35638, 40994, 53457, 61491, 68854, 103281, 106914, 122982, 206562, 3545981, 7091962, 10637943, 21275886]

約数ペア:

[(1, 21275886), (2, 10637943), (3, 7091962), (6, 3545981), (103, 206562), (173, 122982), (199, 106914), (206, 103281), (309, 68854), (346, 61491), (398, 53457), (519, 40994), (597, 35638), (618, 34427), (1038, 20497), (1194, 17819)]