21573936

素因数分解:

$2^4\times 3^2\times {\mathrm{233}}^1\times {\mathrm{643}}^1$

素因数の和:890

約数の個数: 60

約数和(自身を含む): 60730488

約数和(自身を除く): 39156552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 233, 466, 643, 699, 932, 1286, 1398, 1864, 1929, 2097, 2572, 2796, 3728, 3858, 4194, 5144, 5592, 5787, 7716, 8388, 10288, 11184, 11574, 15432, 16776, 23148, 30864, 33552, 46296, 92592, 149819, 299638, 449457, 599276, 898914, 1198552, 1348371, 1797828, 2397104, 2696742, 3595656, 5393484, 7191312, 10786968, 21573936]

約数ペア:

[(1, 21573936), (2, 10786968), (3, 7191312), (4, 5393484), (6, 3595656), (8, 2696742), (9, 2397104), (12, 1797828), (16, 1348371), (18, 1198552), (24, 898914), (36, 599276), (48, 449457), (72, 299638), (144, 149819), (233, 92592), (466, 46296), (643, 33552), (699, 30864), (932, 23148), (1286, 16776), (1398, 15432), (1864, 11574), (1929, 11184), (2097, 10288), (2572, 8388), (2796, 7716), (3728, 5787), (3858, 5592), (4194, 5144)]