21325644

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 56504448

約数和(自身を除く): 35178804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 97, 124, 186, 194, 197, 279, 291, 372, 388, 394, 558, 582, 591, 788, 873, 1116, 1164, 1182, 1746, 1773, 2364, 3007, 3492, 3546, 6014, 6107, 7092, 9021, 12028, 12214, 18042, 18321, 19109, 24428, 27063, 36084, 36642, 38218, 54126, 54963, 57327, 73284, 76436, 108252, 109926, 114654, 171981, 219852, 229308, 343962, 592379, 687924, 1184758, 1777137, 2369516, 3554274, 5331411, 7108548, 10662822, 21325644]

約数ペア:

[(1, 21325644), (2, 10662822), (3, 7108548), (4, 5331411), (6, 3554274), (9, 2369516), (12, 1777137), (18, 1184758), (31, 687924), (36, 592379), (62, 343962), (93, 229308), (97, 219852), (124, 171981), (186, 114654), (194, 109926), (197, 108252), (279, 76436), (291, 73284), (372, 57327), (388, 54963), (394, 54126), (558, 38218), (582, 36642), (591, 36084), (788, 27063), (873, 24428), (1116, 19109), (1164, 18321), (1182, 18042), (1746, 12214), (1773, 12028), (2364, 9021), (3007, 7092), (3492, 6107), (3546, 6014)]