21138678

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1873}}^1$

素因数の和:1914

約数の個数: 64

約数和(自身を含む): 53971200

約数和(自身を除く): 32832522

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 99, 114, 171, 198, 209, 297, 342, 418, 513, 594, 627, 1026, 1254, 1873, 1881, 3746, 3762, 5619, 5643, 11238, 11286, 16857, 20603, 33714, 35587, 41206, 50571, 61809, 71174, 101142, 106761, 123618, 185427, 213522, 320283, 370854, 391457, 556281, 640566, 782914, 960849, 1112562, 1174371, 1921698, 2348742, 3523113, 7046226, 10569339, 21138678]

約数ペア:

[(1, 21138678), (2, 10569339), (3, 7046226), (6, 3523113), (9, 2348742), (11, 1921698), (18, 1174371), (19, 1112562), (22, 960849), (27, 782914), (33, 640566), (38, 556281), (54, 391457), (57, 370854), (66, 320283), (99, 213522), (114, 185427), (171, 123618), (198, 106761), (209, 101142), (297, 71174), (342, 61809), (418, 50571), (513, 41206), (594, 35587), (627, 33714), (1026, 20603), (1254, 16857), (1873, 11286), (1881, 11238), (3746, 5643), (3762, 5619)]