21334473

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 14046327

約数列:

[1, 3, 9, 17, 19, 41, 51, 57, 123, 153, 171, 179, 323, 369, 537, 697, 779, 969, 1611, 2091, 2337, 2907, 3043, 3401, 6273, 7011, 7339, 9129, 10203, 13243, 22017, 27387, 30609, 39729, 57817, 66051, 119187, 124763, 139441, 173451, 374289, 418323, 520353, 1122867, 1254969, 2370497, 7111491, 21334473]

約数ペア:

[(1, 21334473), (3, 7111491), (9, 2370497), (17, 1254969), (19, 1122867), (41, 520353), (51, 418323), (57, 374289), (123, 173451), (153, 139441), (171, 124763), (179, 119187), (323, 66051), (369, 57817), (537, 39729), (697, 30609), (779, 27387), (969, 22017), (1611, 13243), (2091, 10203), (2337, 9129), (2907, 7339), (3043, 7011), (3401, 6273)]