21813768767

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{245897}}^1$

素因数の和:245975

約数の個数: 32

約数和(自身を含む): 28327449600

約数和(自身を除く): 6513680833

約数列:

[1, 7, 19, 23, 29, 133, 161, 203, 437, 551, 667, 3059, 3857, 4669, 12673, 88711, 245897, 1721279, 4672043, 5655631, 7131013, 32704301, 39589417, 49917091, 107456989, 135489247, 164013299, 752198923, 948424729, 1148093093, 3116252681, 21813768767]

約数ペア:

[(1, 21813768767), (7, 3116252681), (19, 1148093093), (23, 948424729), (29, 752198923), (133, 164013299), (161, 135489247), (203, 107456989), (437, 49917091), (551, 39589417), (667, 32704301), (3059, 7131013), (3857, 5655631), (4669, 4672043), (12673, 1721279), (88711, 245897)]