21277416

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1666

約数の個数: 64

約数和(自身を含む): 57960000

約数和(自身を除く): 36682584

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 29, 38, 57, 58, 76, 87, 114, 116, 152, 174, 228, 232, 348, 456, 551, 696, 1102, 1609, 1653, 2204, 3218, 3306, 4408, 4827, 6436, 6612, 9654, 12872, 13224, 19308, 30571, 38616, 46661, 61142, 91713, 93322, 122284, 139983, 183426, 186644, 244568, 279966, 366852, 373288, 559932, 733704, 886559, 1119864, 1773118, 2659677, 3546236, 5319354, 7092472, 10638708, 21277416]

約数ペア:

[(1, 21277416), (2, 10638708), (3, 7092472), (4, 5319354), (6, 3546236), (8, 2659677), (12, 1773118), (19, 1119864), (24, 886559), (29, 733704), (38, 559932), (57, 373288), (58, 366852), (76, 279966), (87, 244568), (114, 186644), (116, 183426), (152, 139983), (174, 122284), (228, 93322), (232, 91713), (348, 61142), (456, 46661), (551, 38616), (696, 30571), (1102, 19308), (1609, 13224), (1653, 12872), (2204, 9654), (3218, 6612), (3306, 6436), (4408, 4827)]