21000471484

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{91397}}^1$

素因数の和:91558

約数の個数: 48

約数和(自身を含む): 40536840960

約数和(自身を除く): 19536369476

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 109, 124, 218, 436, 527, 1054, 1853, 2108, 3379, 3706, 6758, 7412, 13516, 57443, 91397, 114886, 182794, 229772, 365588, 1553749, 2833307, 3107498, 5666614, 6214996, 9962273, 11333228, 19924546, 39849092, 48166219, 96332438, 169358641, 192664876, 308830463, 338717282, 617660926, 677434564, 1235321852, 5250117871, 10500235742, 21000471484]

約数ペア:

[(1, 21000471484), (2, 10500235742), (4, 5250117871), (17, 1235321852), (31, 677434564), (34, 617660926), (62, 338717282), (68, 308830463), (109, 192664876), (124, 169358641), (218, 96332438), (436, 48166219), (527, 39849092), (1054, 19924546), (1853, 11333228), (2108, 9962273), (3379, 6214996), (3706, 5666614), (6758, 3107498), (7412, 2833307), (13516, 1553749), (57443, 365588), (91397, 229772), (114886, 182794)]