21374353

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 29094912

約数和(自身を除く): 7720559

約数列:

[1, 7, 11, 13, 77, 91, 131, 143, 163, 917, 1001, 1141, 1441, 1703, 1793, 2119, 10087, 11921, 12551, 14833, 18733, 21353, 23309, 131131, 149471, 163163, 234883, 277589, 1644181, 1943123, 3053479, 21374353]

約数ペア:

[(1, 21374353), (7, 3053479), (11, 1943123), (13, 1644181), (77, 277589), (91, 234883), (131, 163163), (143, 149471), (163, 131131), (917, 23309), (1001, 21353), (1141, 18733), (1441, 14833), (1703, 12551), (1793, 11921), (2119, 10087)]