21221584832

素因数分解:

$2^6\times 7^2\times {\mathrm{1187}}^1\times {\mathrm{5701}}^1$

素因数の和:6914

約数の個数: 84

約数和(自身を含む): 49036812264

約数和(自身を除く): 27815227432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1187, 1568, 2374, 3136, 4748, 5701, 8309, 9496, 11402, 16618, 18992, 22804, 33236, 37984, 39907, 45608, 58163, 66472, 75968, 79814, 91216, 116326, 132944, 159628, 182432, 232652, 265888, 279349, 319256, 364864, 465304, 531776, 558698, 638512, 930608, 1117396, 1277024, 1861216, 2234792, 2554048, 3722432, 4469584, 6767087, 8939168, 13534174, 17878336, 27068348, 47369609, 54136696, 94739218, 108273392, 189478436, 216546784, 331587263, 378956872, 433093568, 663174526, 757913744, 1326349052, 1515827488, 2652698104, 3031654976, 5305396208, 10610792416, 21221584832]

約数ペア:

[(1, 21221584832), (2, 10610792416), (4, 5305396208), (7, 3031654976), (8, 2652698104), (14, 1515827488), (16, 1326349052), (28, 757913744), (32, 663174526), (49, 433093568), (56, 378956872), (64, 331587263), (98, 216546784), (112, 189478436), (196, 108273392), (224, 94739218), (392, 54136696), (448, 47369609), (784, 27068348), (1187, 17878336), (1568, 13534174), (2374, 8939168), (3136, 6767087), (4748, 4469584), (5701, 3722432), (8309, 2554048), (9496, 2234792), (11402, 1861216), (16618, 1277024), (18992, 1117396), (22804, 930608), (33236, 638512), (37984, 558698), (39907, 531776), (45608, 465304), (58163, 364864), (66472, 319256), (75968, 279349), (79814, 265888), (91216, 232652), (116326, 182432), (132944, 159628)]