21001496

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{70951}}^1$

素因数の和:70994

約数の個数: 16

約数和(自身を含む): 40442640

約数和(自身を除く): 19441144

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 70951, 141902, 283804, 567608, 2625187, 5250374, 10500748, 21001496]

約数ペア:

[(1, 21001496), (2, 10500748), (4, 5250374), (8, 2625187), (37, 567608), (74, 283804), (148, 141902), (296, 70951)]