21961368002

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{721891}}^1$

素因数の和:721994

約数の個数: 32

約数和(自身を含む): 39294025344

約数和(自身を除く): 17332657342

約数列:

[1, 2, 7, 14, 41, 53, 82, 106, 287, 371, 574, 742, 2173, 4346, 15211, 30422, 721891, 1443782, 5053237, 10106474, 29597531, 38260223, 59195062, 76520446, 207182717, 267821561, 414365434, 535643122, 1568669143, 3137338286, 10980684001, 21961368002]

約数ペア:

[(1, 21961368002), (2, 10980684001), (7, 3137338286), (14, 1568669143), (41, 535643122), (53, 414365434), (82, 267821561), (106, 207182717), (287, 76520446), (371, 59195062), (574, 38260223), (742, 29597531), (2173, 10106474), (4346, 5053237), (15211, 1443782), (30422, 721891)]