2021799375

素因数分解:

$3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{21143}}^1$

素因数の和:21186

約数の個数: 60

約数和(自身を含む): 3864150576

約数和(自身を除く): 1842351201

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 625, 765, 1125, 1275, 1875, 2125, 3825, 5625, 6375, 10625, 19125, 21143, 31875, 63429, 95625, 105715, 190287, 317145, 359431, 528575, 951435, 1078293, 1585725, 1797155, 2642875, 3234879, 4757175, 5391465, 7928625, 8985775, 13214375, 16174395, 23785875, 26957325, 39643125, 44928875, 80871975, 118929375, 134786625, 224644375, 404359875, 673933125, 2021799375]

約数ペア:

[(1, 2021799375), (3, 673933125), (5, 404359875), (9, 224644375), (15, 134786625), (17, 118929375), (25, 80871975), (45, 44928875), (51, 39643125), (75, 26957325), (85, 23785875), (125, 16174395), (153, 13214375), (225, 8985775), (255, 7928625), (375, 5391465), (425, 4757175), (625, 3234879), (765, 2642875), (1125, 1797155), (1275, 1585725), (1875, 1078293), (2125, 951435), (3825, 528575), (5625, 359431), (6375, 317145), (10625, 190287), (19125, 105715), (21143, 95625), (31875, 63429)]