21099516

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{353}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 52454304

約数和(自身を除く): 31354788

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 293, 353, 586, 706, 879, 1059, 1172, 1412, 1758, 2118, 3516, 4236, 4981, 6001, 9962, 12002, 14943, 18003, 19924, 24004, 29886, 36006, 59772, 72012, 103429, 206858, 310287, 413716, 620574, 1241148, 1758293, 3516586, 5274879, 7033172, 10549758, 21099516]

約数ペア:

[(1, 21099516), (2, 10549758), (3, 7033172), (4, 5274879), (6, 3516586), (12, 1758293), (17, 1241148), (34, 620574), (51, 413716), (68, 310287), (102, 206858), (204, 103429), (293, 72012), (353, 59772), (586, 36006), (706, 29886), (879, 24004), (1059, 19924), (1172, 18003), (1412, 14943), (1758, 12002), (2118, 9962), (3516, 6001), (4236, 4981)]