21965650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 47246976

約数和(自身を除く): 25281326

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 97, 175, 194, 350, 485, 647, 679, 970, 1294, 1358, 2425, 3235, 3395, 4529, 4850, 6470, 6790, 9058, 16175, 16975, 22645, 32350, 33950, 45290, 62759, 113225, 125518, 226450, 313795, 439313, 627590, 878626, 1568975, 2196565, 3137950, 4393130, 10982825, 21965650]

約数ペア:

[(1, 21965650), (2, 10982825), (5, 4393130), (7, 3137950), (10, 2196565), (14, 1568975), (25, 878626), (35, 627590), (50, 439313), (70, 313795), (97, 226450), (175, 125518), (194, 113225), (350, 62759), (485, 45290), (647, 33950), (679, 32350), (970, 22645), (1294, 16975), (1358, 16175), (2425, 9058), (3235, 6790), (3395, 6470), (4529, 4850)]