21538985950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{435571}}^1$

素因数の和:435649

約数の個数: 48

約数和(自身を含む): 42776654976

約数和(自身を除く): 21237669026

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 115, 215, 230, 430, 575, 989, 1075, 1150, 1978, 2150, 4945, 9890, 24725, 49450, 435571, 871142, 2177855, 4355710, 10018133, 10889275, 18729553, 20036266, 21778550, 37459106, 50090665, 93647765, 100181330, 187295530, 250453325, 430779719, 468238825, 500906650, 861559438, 936477650, 2153898595, 4307797190, 10769492975, 21538985950]

約数ペア:

[(1, 21538985950), (2, 10769492975), (5, 4307797190), (10, 2153898595), (23, 936477650), (25, 861559438), (43, 500906650), (46, 468238825), (50, 430779719), (86, 250453325), (115, 187295530), (215, 100181330), (230, 93647765), (430, 50090665), (575, 37459106), (989, 21778550), (1075, 20036266), (1150, 18729553), (1978, 10889275), (2150, 10018133), (4945, 4355710), (9890, 2177855), (24725, 871142), (49450, 435571)]