21857290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24019}}^1$

素因数の和:24046

約数の個数: 32

約数和(自身を含む): 48424320

約数和(自身を除く): 26567030

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 24019, 48038, 120095, 168133, 240190, 312247, 336266, 624494, 840665, 1561235, 1681330, 2185729, 3122470, 4371458, 10928645, 21857290]

約数ペア:

[(1, 21857290), (2, 10928645), (5, 4371458), (7, 3122470), (10, 2185729), (13, 1681330), (14, 1561235), (26, 840665), (35, 624494), (65, 336266), (70, 312247), (91, 240190), (130, 168133), (182, 120095), (455, 48038), (910, 24019)]