21016015

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 25855200

約数和(自身を除く): 4839185

約数列:

[1, 5, 83, 89, 415, 445, 569, 2845, 7387, 36935, 47227, 50641, 236135, 253205, 4203203, 21016015]

約数ペア:

[(1, 21016015), (5, 4203203), (83, 253205), (89, 236135), (415, 50641), (445, 47227), (569, 36935), (2845, 7387)]