21454686

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1942

約数の個数: 64

約数和(自身を含む): 54777600

約数和(自身を除く): 33322914

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, 1881, 1901, 3762, 3802, 5643, 5703, 11286, 11406, 17109, 20911, 34218, 36119, 41822, 51327, 62733, 72238, 102654, 108357, 125466, 188199, 216714, 325071, 376398, 397309, 564597, 650142, 794618, 975213, 1129194, 1191927, 1950426, 2383854, 3575781, 7151562, 10727343, 21454686]

約数ペア:

[(1, 21454686), (2, 10727343), (3, 7151562), (6, 3575781), (9, 2383854), (11, 1950426), (18, 1191927), (19, 1129194), (22, 975213), (27, 794618), (33, 650142), (38, 564597), (54, 397309), (57, 376398), (66, 325071), (99, 216714), (114, 188199), (171, 125466), (198, 108357), (209, 102654), (297, 72238), (342, 62733), (418, 51327), (513, 41822), (594, 36119), (627, 34218), (1026, 20911), (1254, 17109), (1881, 11406), (1901, 11286), (3762, 5703), (3802, 5643)]