21000425458

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1109}}^1\times {\mathrm{2003}}^1$

素因数の和:3306

約数の個数: 32

約数和(自身を含む): 32832734400

約数和(自身を除く): 11832308942

約数列:

[1, 2, 29, 58, 163, 326, 1109, 2003, 2218, 4006, 4727, 9454, 32161, 58087, 64322, 116174, 180767, 326489, 361534, 652978, 2221327, 4442654, 5242243, 9468181, 10484486, 18936362, 64418483, 128836966, 362076301, 724152602, 10500212729, 21000425458]

約数ペア:

[(1, 21000425458), (2, 10500212729), (29, 724152602), (58, 362076301), (163, 128836966), (326, 64418483), (1109, 18936362), (2003, 10484486), (2218, 9468181), (4006, 5242243), (4727, 4442654), (9454, 2221327), (32161, 652978), (58087, 361534), (64322, 326489), (116174, 180767)]