21381696

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{5303}}^1$

素因数の和:5328

約数の個数: 84

約数和(自身を含む): 70055232

約数和(自身を除く): 48673536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1344, 2016, 4032, 5303, 10606, 15909, 21212, 31818, 37121, 42424, 47727, 63636, 74242, 84848, 95454, 111363, 127272, 148484, 169696, 190908, 222726, 254544, 296968, 334089, 339392, 381816, 445452, 509088, 593936, 668178, 763632, 890904, 1018176, 1187872, 1336356, 1527264, 1781808, 2375744, 2672712, 3054528, 3563616, 5345424, 7127232, 10690848, 21381696]

約数ペア:

[(1, 21381696), (2, 10690848), (3, 7127232), (4, 5345424), (6, 3563616), (7, 3054528), (8, 2672712), (9, 2375744), (12, 1781808), (14, 1527264), (16, 1336356), (18, 1187872), (21, 1018176), (24, 890904), (28, 763632), (32, 668178), (36, 593936), (42, 509088), (48, 445452), (56, 381816), (63, 339392), (64, 334089), (72, 296968), (84, 254544), (96, 222726), (112, 190908), (126, 169696), (144, 148484), (168, 127272), (192, 111363), (224, 95454), (252, 84848), (288, 74242), (336, 63636), (448, 47727), (504, 42424), (576, 37121), (672, 31818), (1008, 21212), (1344, 15909), (2016, 10606), (4032, 5303)]