21206394

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1879}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 54144000

約数和(自身を除く): 32937606

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, 1879, 1881, 3758, 3762, 5637, 5643, 11274, 11286, 16911, 20669, 33822, 35701, 41338, 50733, 62007, 71402, 101466, 107103, 124014, 186021, 214206, 321309, 372042, 392711, 558063, 642618, 785422, 963927, 1116126, 1178133, 1927854, 2356266, 3534399, 7068798, 10603197, 21206394]

約数ペア:

[(1, 21206394), (2, 10603197), (3, 7068798), (6, 3534399), (9, 2356266), (11, 1927854), (18, 1178133), (19, 1116126), (22, 963927), (27, 785422), (33, 642618), (38, 558063), (54, 392711), (57, 372042), (66, 321309), (99, 214206), (114, 186021), (171, 124014), (198, 107103), (209, 101466), (297, 71402), (342, 62007), (418, 50733), (513, 41338), (594, 35701), (627, 33822), (1026, 20669), (1254, 16911), (1879, 11286), (1881, 11274), (3758, 5643), (3762, 5637)]