21566268

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 58378320

約数和(自身を除く): 36812052

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 131, 153, 204, 262, 269, 306, 393, 524, 538, 612, 786, 807, 1076, 1179, 1572, 1614, 2227, 2358, 2421, 3228, 4454, 4573, 4716, 4842, 6681, 8908, 9146, 9684, 13362, 13719, 18292, 20043, 26724, 27438, 35239, 40086, 41157, 54876, 70478, 80172, 82314, 105717, 140956, 164628, 211434, 317151, 422868, 599063, 634302, 1198126, 1268604, 1797189, 2396252, 3594378, 5391567, 7188756, 10783134, 21566268]

約数ペア:

[(1, 21566268), (2, 10783134), (3, 7188756), (4, 5391567), (6, 3594378), (9, 2396252), (12, 1797189), (17, 1268604), (18, 1198126), (34, 634302), (36, 599063), (51, 422868), (68, 317151), (102, 211434), (131, 164628), (153, 140956), (204, 105717), (262, 82314), (269, 80172), (306, 70478), (393, 54876), (524, 41157), (538, 40086), (612, 35239), (786, 27438), (807, 26724), (1076, 20043), (1179, 18292), (1572, 13719), (1614, 13362), (2227, 9684), (2358, 9146), (2421, 8908), (3228, 6681), (4454, 4842), (4573, 4716)]