21211308

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{3851}}^1$

素因数の和:3884

約数の個数: 60

約数和(自身を含む): 58727592

約数和(自身を除く): 37516284

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 306, 324, 459, 612, 918, 1377, 1836, 2754, 3851, 5508, 7702, 11553, 15404, 23106, 34659, 46212, 65467, 69318, 103977, 130934, 138636, 196401, 207954, 261868, 311931, 392802, 415908, 589203, 623862, 785604, 1178406, 1247724, 1767609, 2356812, 3535218, 5302827, 7070436, 10605654, 21211308]

約数ペア:

[(1, 21211308), (2, 10605654), (3, 7070436), (4, 5302827), (6, 3535218), (9, 2356812), (12, 1767609), (17, 1247724), (18, 1178406), (27, 785604), (34, 623862), (36, 589203), (51, 415908), (54, 392802), (68, 311931), (81, 261868), (102, 207954), (108, 196401), (153, 138636), (162, 130934), (204, 103977), (306, 69318), (324, 65467), (459, 46212), (612, 34659), (918, 23106), (1377, 15404), (1836, 11553), (2754, 7702), (3851, 5508)]