21016605

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45197}}^1$

素因数の和:45236

約数の個数: 16

約数和(自身を含む): 34712064

約数和(自身を除く): 13695459

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 45197, 135591, 225985, 677955, 1401107, 4203321, 7005535, 21016605]

約数ペア:

[(1, 21016605), (3, 7005535), (5, 4203321), (15, 1401107), (31, 677955), (93, 225985), (155, 135591), (465, 45197)]