21380094

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 47999952

約数和(自身を除く): 26619858

約数列:

[1, 2, 3, 6, 9, 18, 53, 73, 106, 146, 159, 219, 307, 318, 438, 477, 614, 657, 921, 954, 1314, 1842, 2763, 3869, 5526, 7738, 11607, 16271, 22411, 23214, 32542, 34821, 44822, 48813, 67233, 69642, 97626, 134466, 146439, 201699, 292878, 403398, 1187783, 2375566, 3563349, 7126698, 10690047, 21380094]

約数ペア:

[(1, 21380094), (2, 10690047), (3, 7126698), (6, 3563349), (9, 2375566), (18, 1187783), (53, 403398), (73, 292878), (106, 201699), (146, 146439), (159, 134466), (219, 97626), (307, 69642), (318, 67233), (438, 48813), (477, 44822), (614, 34821), (657, 32542), (921, 23214), (954, 22411), (1314, 16271), (1842, 11607), (2763, 7738), (3869, 5526)]