21170250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{97}}^2$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 57840588

約数和(自身を除く): 36670338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 97, 125, 150, 194, 225, 250, 291, 375, 450, 485, 582, 750, 873, 970, 1125, 1455, 1746, 2250, 2425, 2910, 4365, 4850, 7275, 8730, 9409, 12125, 14550, 18818, 21825, 24250, 28227, 36375, 43650, 47045, 56454, 72750, 84681, 94090, 109125, 141135, 169362, 218250, 235225, 282270, 423405, 470450, 705675, 846810, 1176125, 1411350, 2117025, 2352250, 3528375, 4234050, 7056750, 10585125, 21170250]

約数ペア:

[(1, 21170250), (2, 10585125), (3, 7056750), (5, 4234050), (6, 3528375), (9, 2352250), (10, 2117025), (15, 1411350), (18, 1176125), (25, 846810), (30, 705675), (45, 470450), (50, 423405), (75, 282270), (90, 235225), (97, 218250), (125, 169362), (150, 141135), (194, 109125), (225, 94090), (250, 84681), (291, 72750), (375, 56454), (450, 47045), (485, 43650), (582, 36375), (750, 28227), (873, 24250), (970, 21825), (1125, 18818), (1455, 14550), (1746, 12125), (2250, 9409), (2425, 8730), (2910, 7275), (4365, 4850)]