21848900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^2$

素因数の和:201

約数の個数: 54

約数和(自身を含む): 49242942

約数和(自身を除く): 27394042

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 73, 82, 100, 146, 164, 205, 292, 365, 410, 730, 820, 1025, 1460, 1825, 2050, 2993, 3650, 4100, 5329, 5986, 7300, 10658, 11972, 14965, 21316, 26645, 29930, 53290, 59860, 74825, 106580, 133225, 149650, 218489, 266450, 299300, 436978, 532900, 873956, 1092445, 2184890, 4369780, 5462225, 10924450, 21848900]

約数ペア:

[(1, 21848900), (2, 10924450), (4, 5462225), (5, 4369780), (10, 2184890), (20, 1092445), (25, 873956), (41, 532900), (50, 436978), (73, 299300), (82, 266450), (100, 218489), (146, 149650), (164, 133225), (205, 106580), (292, 74825), (365, 59860), (410, 53290), (730, 29930), (820, 26645), (1025, 21316), (1460, 14965), (1825, 11972), (2050, 10658), (2993, 7300), (3650, 5986), (4100, 5329)]