21000296994

素因数分解:

$2^1\times 3^1\times {\mathrm{263}}^1\times {\mathrm{13308173}}^1$

素因数の和:13308441

約数の個数: 16

約数和(自身を含む): 42160295232

約数和(自身を除く): 21159998238

約数列:

[1, 2, 3, 6, 263, 526, 789, 1578, 13308173, 26616346, 39924519, 79849038, 3500049499, 7000098998, 10500148497, 21000296994]

約数ペア:

[(1, 21000296994), (2, 10500148497), (3, 7000098998), (6, 3500049499), (263, 79849038), (526, 39924519), (789, 26616346), (1578, 13308173)]