21475834

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 34848000

約数和(自身を除く): 13372166

約数列:

[1, 2, 29, 43, 58, 79, 86, 109, 158, 218, 1247, 2291, 2494, 3161, 3397, 4582, 4687, 6322, 6794, 8611, 9374, 17222, 98513, 135923, 197026, 249719, 271846, 370273, 499438, 740546, 10737917, 21475834]

約数ペア:

[(1, 21475834), (2, 10737917), (29, 740546), (43, 499438), (58, 370273), (79, 271846), (86, 249719), (109, 197026), (158, 135923), (218, 98513), (1247, 17222), (2291, 9374), (2494, 8611), (3161, 6794), (3397, 6322), (4582, 4687)]