21449274

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2731}}^1$

素因数の和:2771

約数の個数: 64

約数和(自身を含む): 56650752

約数和(自身を除く): 35201478

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 154, 187, 231, 238, 357, 374, 462, 561, 714, 1122, 1309, 2618, 2731, 3927, 5462, 7854, 8193, 16386, 19117, 30041, 38234, 46427, 57351, 60082, 90123, 92854, 114702, 139281, 180246, 210287, 278562, 324989, 420574, 510697, 630861, 649978, 974967, 1021394, 1261722, 1532091, 1949934, 3064182, 3574879, 7149758, 10724637, 21449274]

約数ペア:

[(1, 21449274), (2, 10724637), (3, 7149758), (6, 3574879), (7, 3064182), (11, 1949934), (14, 1532091), (17, 1261722), (21, 1021394), (22, 974967), (33, 649978), (34, 630861), (42, 510697), (51, 420574), (66, 324989), (77, 278562), (102, 210287), (119, 180246), (154, 139281), (187, 114702), (231, 92854), (238, 90123), (357, 60082), (374, 57351), (462, 46427), (561, 38234), (714, 30041), (1122, 19117), (1309, 16386), (2618, 8193), (2731, 7854), (3927, 5462)]