21120264288

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2365621}}^1$

素因数の和:2365668

約数の個数: 72

約数和(自身を含む): 61998221376

約数和(自身を除く): 40877957088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 2365621, 4731242, 7096863, 9462484, 14193726, 18924968, 21290589, 28387452, 37849936, 42581178, 56774904, 73334251, 75699872, 85162356, 113549808, 146668502, 170324712, 220002753, 227099616, 293337004, 340649424, 440005506, 586674008, 660008259, 681298848, 880011012, 1173348016, 1320016518, 1760022024, 2346696032, 2640033036, 3520044048, 5280066072, 7040088096, 10560132144, 21120264288]

約数ペア:

[(1, 21120264288), (2, 10560132144), (3, 7040088096), (4, 5280066072), (6, 3520044048), (8, 2640033036), (9, 2346696032), (12, 1760022024), (16, 1320016518), (18, 1173348016), (24, 880011012), (31, 681298848), (32, 660008259), (36, 586674008), (48, 440005506), (62, 340649424), (72, 293337004), (93, 227099616), (96, 220002753), (124, 170324712), (144, 146668502), (186, 113549808), (248, 85162356), (279, 75699872), (288, 73334251), (372, 56774904), (496, 42581178), (558, 37849936), (744, 28387452), (992, 21290589), (1116, 18924968), (1488, 14193726), (2232, 9462484), (2976, 7096863), (4464, 4731242), (8928, 2365621)]