21000895490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{10141}}^1$

素因数の和:10407

約数の個数: 64

約数和(自身を含む): 40374084960

約数和(自身を除く): 19373189470

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 185, 193, 290, 370, 386, 965, 1073, 1930, 2146, 5365, 5597, 7141, 10141, 10730, 11194, 14282, 20282, 27985, 35705, 50705, 55970, 71410, 101410, 207089, 294089, 375217, 414178, 588178, 750434, 1035445, 1470445, 1876085, 1957213, 2070890, 2940890, 3752170, 3914426, 9786065, 10881293, 19572130, 21762586, 54406465, 56759177, 72416881, 108812930, 113518354, 144833762, 283795885, 362084405, 567591770, 724168810, 2100089549, 4200179098, 10500447745, 21000895490]

約数ペア:

[(1, 21000895490), (2, 10500447745), (5, 4200179098), (10, 2100089549), (29, 724168810), (37, 567591770), (58, 362084405), (74, 283795885), (145, 144833762), (185, 113518354), (193, 108812930), (290, 72416881), (370, 56759177), (386, 54406465), (965, 21762586), (1073, 19572130), (1930, 10881293), (2146, 9786065), (5365, 3914426), (5597, 3752170), (7141, 2940890), (10141, 2070890), (10730, 1957213), (11194, 1876085), (14282, 1470445), (20282, 1035445), (27985, 750434), (35705, 588178), (50705, 414178), (55970, 375217), (71410, 294089), (101410, 207089)]