21873068

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 46066944

約数和(自身を除く): 24193876

約数列:

[1, 2, 4, 7, 14, 28, 37, 43, 74, 86, 148, 172, 259, 301, 491, 518, 602, 982, 1036, 1204, 1591, 1964, 3182, 3437, 6364, 6874, 11137, 13748, 18167, 21113, 22274, 36334, 42226, 44548, 72668, 84452, 127169, 147791, 254338, 295582, 508676, 591164, 781181, 1562362, 3124724, 5468267, 10936534, 21873068]

約数ペア:

[(1, 21873068), (2, 10936534), (4, 5468267), (7, 3124724), (14, 1562362), (28, 781181), (37, 591164), (43, 508676), (74, 295582), (86, 254338), (148, 147791), (172, 127169), (259, 84452), (301, 72668), (491, 44548), (518, 42226), (602, 36334), (982, 22274), (1036, 21113), (1204, 18167), (1591, 13748), (1964, 11137), (3182, 6874), (3437, 6364)]