21015420503

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{325301}}^1$

素因数の和:326158

約数の個数: 16

約数和(自身を含む): 26232353280

約数和(自身を除く): 5216932777

約数列:

[1, 7, 11, 77, 839, 5873, 9229, 64603, 325301, 2277107, 3578311, 25048177, 272927539, 1910492773, 3002202929, 21015420503]

約数ペア:

[(1, 21015420503), (7, 3002202929), (11, 1910492773), (77, 272927539), (839, 25048177), (5873, 3578311), (9229, 2277107), (64603, 325301)]