21875770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 49268736

約数和(自身を除く): 27392966

約数列:

[1, 2, 5, 7, 10, 14, 17, 31, 34, 35, 62, 70, 85, 119, 155, 170, 217, 238, 310, 434, 527, 593, 595, 1054, 1085, 1186, 1190, 2170, 2635, 2965, 3689, 4151, 5270, 5930, 7378, 8302, 10081, 18383, 18445, 20162, 20755, 36766, 36890, 41510, 50405, 70567, 91915, 100810, 128681, 141134, 183830, 257362, 312511, 352835, 625022, 643405, 705670, 1286810, 1562555, 2187577, 3125110, 4375154, 10937885, 21875770]

約数ペア:

[(1, 21875770), (2, 10937885), (5, 4375154), (7, 3125110), (10, 2187577), (14, 1562555), (17, 1286810), (31, 705670), (34, 643405), (35, 625022), (62, 352835), (70, 312511), (85, 257362), (119, 183830), (155, 141134), (170, 128681), (217, 100810), (238, 91915), (310, 70567), (434, 50405), (527, 41510), (593, 36890), (595, 36766), (1054, 20755), (1085, 20162), (1186, 18445), (1190, 18383), (2170, 10081), (2635, 8302), (2965, 7378), (3689, 5930), (4151, 5270)]