21153532

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{5503}}^1$

素因数の和:5569

約数の個数: 18

約数和(自身を含む): 38258304

約数和(自身を除く): 17104772

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 5503, 11006, 22012, 170593, 341186, 682372, 5288383, 10576766, 21153532]

約数ペア:

[(1, 21153532), (2, 10576766), (4, 5288383), (31, 682372), (62, 341186), (124, 170593), (961, 22012), (1922, 11006), (3844, 5503)]