201721308

素因数分解:

$2^2\times 3^1\times {\mathrm{421}}^1\times {\mathrm{39929}}^1$

素因数の和:40357

約数の個数: 24

約数和(自身を含む): 471812880

約数和(自身を除く): 270091572

約数列:

[1, 2, 3, 4, 6, 12, 421, 842, 1263, 1684, 2526, 5052, 39929, 79858, 119787, 159716, 239574, 479148, 16810109, 33620218, 50430327, 67240436, 100860654, 201721308]

約数ペア:

[(1, 201721308), (2, 100860654), (3, 67240436), (4, 50430327), (6, 33620218), (12, 16810109), (421, 479148), (842, 239574), (1263, 159716), (1684, 119787), (2526, 79858), (5052, 39929)]