21238338

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:879

約数の個数: 64

約数和(自身を含む): 51259392

約数和(自身を除く): 30021054

約数列:

[1, 2, 3, 6, 11, 17, 22, 23, 33, 34, 46, 51, 66, 69, 102, 138, 187, 253, 374, 391, 506, 561, 759, 782, 823, 1122, 1173, 1518, 1646, 2346, 2469, 4301, 4938, 8602, 9053, 12903, 13991, 18106, 18929, 25806, 27159, 27982, 37858, 41973, 54318, 56787, 83946, 113574, 153901, 208219, 307802, 321793, 416438, 461703, 624657, 643586, 923406, 965379, 1249314, 1930758, 3539723, 7079446, 10619169, 21238338]

約数ペア:

[(1, 21238338), (2, 10619169), (3, 7079446), (6, 3539723), (11, 1930758), (17, 1249314), (22, 965379), (23, 923406), (33, 643586), (34, 624657), (46, 461703), (51, 416438), (66, 321793), (69, 307802), (102, 208219), (138, 153901), (187, 113574), (253, 83946), (374, 56787), (391, 54318), (506, 41973), (561, 37858), (759, 27982), (782, 27159), (823, 25806), (1122, 18929), (1173, 18106), (1518, 13991), (1646, 12903), (2346, 9053), (2469, 8602), (4301, 4938)]