21568500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4793}}^1$

素因数の和:4818

約数の個数: 72

約数和(自身を含む): 68055624

約数和(自身を除く): 46487124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4793, 9586, 14379, 19172, 23965, 28758, 43137, 47930, 57516, 71895, 86274, 95860, 119825, 143790, 172548, 215685, 239650, 287580, 359475, 431370, 479300, 599125, 718950, 862740, 1078425, 1198250, 1437900, 1797375, 2156850, 2396500, 3594750, 4313700, 5392125, 7189500, 10784250, 21568500]

約数ペア:

[(1, 21568500), (2, 10784250), (3, 7189500), (4, 5392125), (5, 4313700), (6, 3594750), (9, 2396500), (10, 2156850), (12, 1797375), (15, 1437900), (18, 1198250), (20, 1078425), (25, 862740), (30, 718950), (36, 599125), (45, 479300), (50, 431370), (60, 359475), (75, 287580), (90, 239650), (100, 215685), (125, 172548), (150, 143790), (180, 119825), (225, 95860), (250, 86274), (300, 71895), (375, 57516), (450, 47930), (500, 43137), (750, 28758), (900, 23965), (1125, 19172), (1500, 14379), (2250, 9586), (4500, 4793)]