21728910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103471}}^1$

素因数の和:103488

約数の個数: 32

約数和(自身を含む): 59599872

約数和(自身を除く): 37870962

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 103471, 206942, 310413, 517355, 620826, 724297, 1034710, 1448594, 1552065, 2172891, 3104130, 3621485, 4345782, 7242970, 10864455, 21728910]

約数ペア:

[(1, 21728910), (2, 10864455), (3, 7242970), (5, 4345782), (6, 3621485), (7, 3104130), (10, 2172891), (14, 1552065), (15, 1448594), (21, 1034710), (30, 724297), (35, 620826), (42, 517355), (70, 310413), (105, 206942), (210, 103471)]