21724912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 49898592

約数和(自身を除く): 28173680

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 53, 68, 88, 106, 136, 137, 176, 187, 212, 272, 274, 374, 424, 548, 583, 748, 848, 901, 1096, 1166, 1496, 1507, 1802, 2192, 2329, 2332, 2992, 3014, 3604, 4658, 4664, 6028, 7208, 7261, 9316, 9328, 9911, 12056, 14416, 14522, 18632, 19822, 24112, 25619, 29044, 37264, 39644, 51238, 58088, 79288, 79871, 102476, 116176, 123437, 158576, 159742, 204952, 246874, 319484, 409904, 493748, 638968, 987496, 1277936, 1357807, 1974992, 2715614, 5431228, 10862456, 21724912]

約数ペア:

[(1, 21724912), (2, 10862456), (4, 5431228), (8, 2715614), (11, 1974992), (16, 1357807), (17, 1277936), (22, 987496), (34, 638968), (44, 493748), (53, 409904), (68, 319484), (88, 246874), (106, 204952), (136, 159742), (137, 158576), (176, 123437), (187, 116176), (212, 102476), (272, 79871), (274, 79288), (374, 58088), (424, 51238), (548, 39644), (583, 37264), (748, 29044), (848, 25619), (901, 24112), (1096, 19822), (1166, 18632), (1496, 14522), (1507, 14416), (1802, 12056), (2192, 9911), (2329, 9328), (2332, 9316), (2992, 7261), (3014, 7208), (3604, 6028), (4658, 4664)]