21193669455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{2843}}^1\times {\mathrm{70997}}^1$

素因数の和:73855

約数の個数: 32

約数和(自身を含む): 38768315904

約数和(自身を除く): 17574646449

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 2843, 8529, 14215, 19901, 42645, 59703, 70997, 99505, 212991, 298515, 354985, 496979, 1064955, 1490937, 2484895, 7454685, 201844471, 605533413, 1009222355, 1412911297, 3027667065, 4238733891, 7064556485, 21193669455]

約数ペア:

[(1, 21193669455), (3, 7064556485), (5, 4238733891), (7, 3027667065), (15, 1412911297), (21, 1009222355), (35, 605533413), (105, 201844471), (2843, 7454685), (8529, 2484895), (14215, 1490937), (19901, 1064955), (42645, 496979), (59703, 354985), (70997, 298515), (99505, 212991)]