21074578

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65449}}^1$

素因数の和:65481

約数の個数: 16

約数和(自身を含む): 37699200

約数和(自身を除く): 16624622

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65449, 130898, 458143, 916286, 1505327, 3010654, 10537289, 21074578]

約数ペア:

[(1, 21074578), (2, 10537289), (7, 3010654), (14, 1505327), (23, 916286), (46, 458143), (161, 130898), (322, 65449)]