21000902514

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{292093}}^1$

素因数の和:292642

約数の個数: 32

約数和(自身を含む): 43912243584

約数和(自身を除く): 22911341070

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 521, 1042, 1563, 3126, 11983, 23966, 35949, 71898, 292093, 584186, 876279, 1752558, 6718139, 13436278, 20154417, 40308834, 152180453, 304360906, 456541359, 913082718, 3500150419, 7000300838, 10500451257, 21000902514]

約数ペア:

[(1, 21000902514), (2, 10500451257), (3, 7000300838), (6, 3500150419), (23, 913082718), (46, 456541359), (69, 304360906), (138, 152180453), (521, 40308834), (1042, 20154417), (1563, 13436278), (3126, 6718139), (11983, 1752558), (23966, 876279), (35949, 584186), (71898, 292093)]