21000943750

素因数分解:

$2^1\times 5^5\times {\mathrm{541}}^1\times {\mathrm{6211}}^1$

素因数の和:6779

約数の個数: 48

約数和(自身を含む): 39453381072

約数和(自身を除く): 18452437322

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 541, 625, 1082, 1250, 2705, 3125, 5410, 6211, 6250, 12422, 13525, 27050, 31055, 62110, 67625, 135250, 155275, 310550, 338125, 676250, 776375, 1552750, 1690625, 3360151, 3381250, 3881875, 6720302, 7763750, 16800755, 19409375, 33601510, 38818750, 84003775, 168007550, 420018875, 840037750, 2100094375, 4200188750, 10500471875, 21000943750]

約数ペア:

[(1, 21000943750), (2, 10500471875), (5, 4200188750), (10, 2100094375), (25, 840037750), (50, 420018875), (125, 168007550), (250, 84003775), (541, 38818750), (625, 33601510), (1082, 19409375), (1250, 16800755), (2705, 7763750), (3125, 6720302), (5410, 3881875), (6211, 3381250), (6250, 3360151), (12422, 1690625), (13525, 1552750), (27050, 776375), (31055, 676250), (62110, 338125), (67625, 310550), (135250, 155275)]