21730338

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 58780800

約数和(自身を除く): 37050462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 29, 38, 42, 57, 58, 63, 87, 114, 126, 133, 171, 174, 203, 261, 266, 313, 342, 399, 406, 522, 551, 609, 626, 798, 939, 1102, 1197, 1218, 1653, 1827, 1878, 2191, 2394, 2817, 3306, 3654, 3857, 4382, 4959, 5634, 5947, 6573, 7714, 9077, 9918, 11571, 11894, 13146, 17841, 18154, 19719, 23142, 27231, 34713, 35682, 39438, 41629, 53523, 54462, 63539, 69426, 81693, 83258, 107046, 124887, 127078, 163386, 172463, 190617, 249774, 344926, 374661, 381234, 517389, 571851, 749322, 1034778, 1143702, 1207241, 1552167, 2414482, 3104334, 3621723, 7243446, 10865169, 21730338]

約数ペア:

[(1, 21730338), (2, 10865169), (3, 7243446), (6, 3621723), (7, 3104334), (9, 2414482), (14, 1552167), (18, 1207241), (19, 1143702), (21, 1034778), (29, 749322), (38, 571851), (42, 517389), (57, 381234), (58, 374661), (63, 344926), (87, 249774), (114, 190617), (126, 172463), (133, 163386), (171, 127078), (174, 124887), (203, 107046), (261, 83258), (266, 81693), (313, 69426), (342, 63539), (399, 54462), (406, 53523), (522, 41629), (551, 39438), (609, 35682), (626, 34713), (798, 27231), (939, 23142), (1102, 19719), (1197, 18154), (1218, 17841), (1653, 13146), (1827, 11894), (1878, 11571), (2191, 9918), (2394, 9077), (2817, 7714), (3306, 6573), (3654, 5947), (3857, 5634), (4382, 4959)]