21219802565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{21211}}^1\times {\mathrm{15391}}^1$

素因数の和:36620

約数の個数: 16

約数和(自身を含む): 27425588736

約数和(自身を除く): 6205786171

約数列:

[1, 5, 13, 65, 15391, 21211, 76955, 106055, 200083, 275743, 1000415, 1378715, 326458501, 1632292505, 4243960513, 21219802565]

約数ペア:

[(1, 21219802565), (5, 4243960513), (13, 1632292505), (65, 326458501), (15391, 1378715), (21211, 1000415), (76955, 275743), (106055, 200083)]