21707075215

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{20233}}^1$

素因数の和:20432

約数の個数: 48

約数和(自身を含む): 31555327680

約数和(自身を除く): 9848252465

約数列:

[1, 5, 7, 29, 35, 49, 145, 151, 203, 245, 755, 1015, 1057, 1421, 4379, 5285, 7105, 7399, 20233, 21895, 30653, 36995, 101165, 141631, 153265, 214571, 586757, 708155, 991417, 1072855, 2933785, 3055183, 4107299, 4957085, 15275915, 20536495, 21386281, 28751093, 88600307, 106931405, 143755465, 149703967, 443001535, 620202149, 748519835, 3101010745, 4341415043, 21707075215]

約数ペア:

[(1, 21707075215), (5, 4341415043), (7, 3101010745), (29, 748519835), (35, 620202149), (49, 443001535), (145, 149703967), (151, 143755465), (203, 106931405), (245, 88600307), (755, 28751093), (1015, 21386281), (1057, 20536495), (1421, 15275915), (4379, 4957085), (5285, 4107299), (7105, 3055183), (7399, 2933785), (20233, 1072855), (21895, 991417), (30653, 708155), (36995, 586757), (101165, 214571), (141631, 153265)]