21139188

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{35951}}^1$

素因数の和:35972

約数の個数: 36

約数和(自身を含む): 57379392

約数和(自身を除く): 36240204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 35951, 71902, 107853, 143804, 215706, 251657, 431412, 503314, 754971, 1006628, 1509942, 1761599, 3019884, 3523198, 5284797, 7046396, 10569594, 21139188]

約数ペア:

[(1, 21139188), (2, 10569594), (3, 7046396), (4, 5284797), (6, 3523198), (7, 3019884), (12, 1761599), (14, 1509942), (21, 1006628), (28, 754971), (42, 503314), (49, 431412), (84, 251657), (98, 215706), (147, 143804), (196, 107853), (294, 71902), (588, 35951)]