21000314878

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1\times {\mathrm{823}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 31977792000

約数和(自身を除く): 10977477122

約数列:

[1, 2, 139, 263, 278, 349, 526, 698, 823, 1646, 36557, 48511, 73114, 91787, 97022, 114397, 183574, 216449, 228794, 287227, 432898, 574454, 12758393, 25516786, 30086411, 39924553, 60172822, 75540701, 79849106, 151081402, 10500157439, 21000314878]

約数ペア:

[(1, 21000314878), (2, 10500157439), (139, 151081402), (263, 79849106), (278, 75540701), (349, 60172822), (526, 39924553), (698, 30086411), (823, 25516786), (1646, 12758393), (36557, 574454), (48511, 432898), (73114, 287227), (91787, 228794), (97022, 216449), (114397, 183574)]