21512316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8831}}^1$

素因数の和:8874

約数の個数: 48

約数和(自身を含む): 59351040

約数和(自身を除く): 37838724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8831, 17662, 26493, 35324, 52986, 61817, 105972, 123634, 185451, 247268, 256099, 370902, 512198, 741804, 768297, 1024396, 1536594, 1792693, 3073188, 3585386, 5378079, 7170772, 10756158, 21512316]

約数ペア:

[(1, 21512316), (2, 10756158), (3, 7170772), (4, 5378079), (6, 3585386), (7, 3073188), (12, 1792693), (14, 1536594), (21, 1024396), (28, 768297), (29, 741804), (42, 512198), (58, 370902), (84, 256099), (87, 247268), (116, 185451), (174, 123634), (203, 105972), (348, 61817), (406, 52986), (609, 35324), (812, 26493), (1218, 17662), (2436, 8831)]