21179616

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{5381}}^1$

素因数の和:5435

約数の個数: 48

約数和(自身を含む): 56963088

約数和(自身を除く): 35783472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 82, 96, 123, 164, 246, 328, 492, 656, 984, 1312, 1968, 3936, 5381, 10762, 16143, 21524, 32286, 43048, 64572, 86096, 129144, 172192, 220621, 258288, 441242, 516576, 661863, 882484, 1323726, 1764968, 2647452, 3529936, 5294904, 7059872, 10589808, 21179616]

約数ペア:

[(1, 21179616), (2, 10589808), (3, 7059872), (4, 5294904), (6, 3529936), (8, 2647452), (12, 1764968), (16, 1323726), (24, 882484), (32, 661863), (41, 516576), (48, 441242), (82, 258288), (96, 220621), (123, 172192), (164, 129144), (246, 86096), (328, 64572), (492, 43048), (656, 32286), (984, 21524), (1312, 16143), (1968, 10762), (3936, 5381)]