21084524

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 38272080

約数和(自身を除く): 17187556

約数列:

[1, 2, 4, 37, 74, 109, 148, 218, 436, 1307, 2614, 4033, 5228, 8066, 16132, 48359, 96718, 142463, 193436, 284926, 569852, 5271131, 10542262, 21084524]

約数ペア:

[(1, 21084524), (2, 10542262), (4, 5271131), (37, 569852), (74, 284926), (109, 193436), (148, 142463), (218, 96718), (436, 48359), (1307, 16132), (2614, 8066), (4033, 5228)]