21537932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{431}}^1$

素因数の和:510

約数の個数: 36

約数和(自身を含む): 42039648

約数和(自身を除く): 20501716

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 431, 806, 862, 961, 1612, 1724, 1922, 3844, 5603, 11206, 12493, 13361, 22412, 24986, 26722, 49972, 53444, 173693, 347386, 414191, 694772, 828382, 1656764, 5384483, 10768966, 21537932]

約数ペア:

[(1, 21537932), (2, 10768966), (4, 5384483), (13, 1656764), (26, 828382), (31, 694772), (52, 414191), (62, 347386), (124, 173693), (403, 53444), (431, 49972), (806, 26722), (862, 24986), (961, 22412), (1612, 13361), (1724, 12493), (1922, 11206), (3844, 5603)]