21279216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63331}}^1$

素因数の和:63349

約数の個数: 40

約数和(自身を含む): 62825344

約数和(自身を除く): 41546128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63331, 126662, 189993, 253324, 379986, 443317, 506648, 759972, 886634, 1013296, 1329951, 1519944, 1773268, 2659902, 3039888, 3546536, 5319804, 7093072, 10639608, 21279216]

約数ペア:

[(1, 21279216), (2, 10639608), (3, 7093072), (4, 5319804), (6, 3546536), (7, 3039888), (8, 2659902), (12, 1773268), (14, 1519944), (16, 1329951), (21, 1013296), (24, 886634), (28, 759972), (42, 506648), (48, 443317), (56, 379986), (84, 253324), (112, 189993), (168, 126662), (336, 63331)]