21855666

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{941}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 51546240

約数和(自身を除く): 29690574

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 79, 98, 147, 158, 237, 294, 474, 553, 941, 1106, 1659, 1882, 2823, 3318, 3871, 5646, 6587, 7742, 11613, 13174, 19761, 23226, 39522, 46109, 74339, 92218, 138327, 148678, 223017, 276654, 446034, 520373, 1040746, 1561119, 3122238, 3642611, 7285222, 10927833, 21855666]

約数ペア:

[(1, 21855666), (2, 10927833), (3, 7285222), (6, 3642611), (7, 3122238), (14, 1561119), (21, 1040746), (42, 520373), (49, 446034), (79, 276654), (98, 223017), (147, 148678), (158, 138327), (237, 92218), (294, 74339), (474, 46109), (553, 39522), (941, 23226), (1106, 19761), (1659, 13174), (1882, 11613), (2823, 7742), (3318, 6587), (3871, 5646)]