21154698

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 48901320

約数和(自身を除く): 27746622

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 257, 269, 306, 514, 538, 771, 807, 1542, 1614, 2313, 2421, 4369, 4573, 4626, 4842, 8738, 9146, 13107, 13719, 26214, 27438, 39321, 41157, 69133, 78642, 82314, 138266, 207399, 414798, 622197, 1175261, 1244394, 2350522, 3525783, 7051566, 10577349, 21154698]

約数ペア:

[(1, 21154698), (2, 10577349), (3, 7051566), (6, 3525783), (9, 2350522), (17, 1244394), (18, 1175261), (34, 622197), (51, 414798), (102, 207399), (153, 138266), (257, 82314), (269, 78642), (306, 69133), (514, 41157), (538, 39321), (771, 27438), (807, 26214), (1542, 13719), (1614, 13107), (2313, 9146), (2421, 8738), (4369, 4842), (4573, 4626)]