21409360665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1685113}}^1$

素因数の和:1685150

約数の個数: 48

約数和(自身を含む): 43031071104

約数和(自身を除く): 21621710439

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1815, 2541, 4235, 12705, 1685113, 5055339, 8425565, 11795791, 18536243, 25276695, 35387373, 55608729, 58978955, 92681215, 129753701, 176936865, 203898673, 278043645, 389261103, 611696019, 648768505, 1019493365, 1427290711, 1946305515, 3058480095, 4281872133, 7136453555, 21409360665]

約数ペア:

[(1, 21409360665), (3, 7136453555), (5, 4281872133), (7, 3058480095), (11, 1946305515), (15, 1427290711), (21, 1019493365), (33, 648768505), (35, 611696019), (55, 389261103), (77, 278043645), (105, 203898673), (121, 176936865), (165, 129753701), (231, 92681215), (363, 58978955), (385, 55608729), (605, 35387373), (847, 25276695), (1155, 18536243), (1815, 11795791), (2541, 8425565), (4235, 5055339), (12705, 1685113)]