21105173685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{229267}}^1$

素因数の和:229330

約数の個数: 48

約数和(自身を含む): 37735678656

約数和(自身を除く): 16630504971

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 361, 969, 1083, 1615, 1805, 4845, 5415, 6137, 18411, 30685, 92055, 229267, 687801, 1146335, 3439005, 3897539, 4356073, 11692617, 13068219, 19487695, 21780365, 58463085, 65341095, 74053241, 82765387, 222159723, 248296161, 370266205, 413826935, 1110798615, 1241480805, 1407011579, 4221034737, 7035057895, 21105173685]

約数ペア:

[(1, 21105173685), (3, 7035057895), (5, 4221034737), (15, 1407011579), (17, 1241480805), (19, 1110798615), (51, 413826935), (57, 370266205), (85, 248296161), (95, 222159723), (255, 82765387), (285, 74053241), (323, 65341095), (361, 58463085), (969, 21780365), (1083, 19487695), (1615, 13068219), (1805, 11692617), (4845, 4356073), (5415, 3897539), (6137, 3439005), (18411, 1146335), (30685, 687801), (92055, 229267)]