21105173655

素因数分解:

$3^2\times 5^1\times {\mathrm{373}}^2\times {\mathrm{3371}}^1$

素因数の和:4128

約数の個数: 36

約数和(自身を含む): 36691521048

約数和(自身を除く): 15586347393

約数列:

[1, 3, 5, 9, 15, 45, 373, 1119, 1865, 3357, 3371, 5595, 10113, 16785, 16855, 30339, 50565, 139129, 151695, 417387, 695645, 1252161, 1257383, 2086935, 3772149, 6260805, 6286915, 11316447, 18860745, 56582235, 469003859, 1407011577, 2345019295, 4221034731, 7035057885, 21105173655]

約数ペア:

[(1, 21105173655), (3, 7035057885), (5, 4221034731), (9, 2345019295), (15, 1407011577), (45, 469003859), (373, 56582235), (1119, 18860745), (1865, 11316447), (3357, 6286915), (3371, 6260805), (5595, 3772149), (10113, 2086935), (16785, 1257383), (16855, 1252161), (30339, 695645), (50565, 417387), (139129, 151695)]