21887874

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 52202880

約数和(自身を除く): 30315006

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 113, 153, 211, 226, 306, 339, 422, 459, 633, 678, 918, 1017, 1266, 1899, 1921, 2034, 3051, 3587, 3798, 3842, 5697, 5763, 6102, 7174, 10761, 11394, 11526, 17289, 21522, 23843, 32283, 34578, 47686, 51867, 64566, 71529, 96849, 103734, 143058, 193698, 214587, 405331, 429174, 643761, 810662, 1215993, 1287522, 2431986, 3647979, 7295958, 10943937, 21887874]

約数ペア:

[(1, 21887874), (2, 10943937), (3, 7295958), (6, 3647979), (9, 2431986), (17, 1287522), (18, 1215993), (27, 810662), (34, 643761), (51, 429174), (54, 405331), (102, 214587), (113, 193698), (153, 143058), (211, 103734), (226, 96849), (306, 71529), (339, 64566), (422, 51867), (459, 47686), (633, 34578), (678, 32283), (918, 23843), (1017, 21522), (1266, 17289), (1899, 11526), (1921, 11394), (2034, 10761), (3051, 7174), (3587, 6102), (3798, 5763), (3842, 5697)]