21497743865

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{131}}^1\times {\mathrm{14939}}^1$

素因数の和:15114

約数の個数: 32

約数和(自身を含む): 28161302400

約数和(自身を除く): 6663558535

約数列:

[1, 5, 13, 65, 131, 169, 655, 845, 1703, 2197, 8515, 10985, 14939, 22139, 74695, 110695, 194207, 287807, 971035, 1439035, 1957009, 2524691, 9785045, 12623455, 25441117, 32820983, 127205585, 164104915, 330734521, 1653672605, 4299548773, 21497743865]

約数ペア:

[(1, 21497743865), (5, 4299548773), (13, 1653672605), (65, 330734521), (131, 164104915), (169, 127205585), (655, 32820983), (845, 25441117), (1703, 12623455), (2197, 9785045), (8515, 2524691), (10985, 1957009), (14939, 1439035), (22139, 971035), (74695, 287807), (110695, 194207)]