21335021480

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1151999}}^1$

素因数の和:1152473

約数の個数: 32

約数和(自身を含む): 48107520000

約数和(自身を除く): 26772498520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 4630, 9260, 18520, 1151999, 2303998, 4607996, 5759995, 9215992, 11519990, 23039980, 46079960, 533375537, 1066751074, 2133502148, 2666877685, 4267004296, 5333755370, 10667510740, 21335021480]

約数ペア:

[(1, 21335021480), (2, 10667510740), (4, 5333755370), (5, 4267004296), (8, 2666877685), (10, 2133502148), (20, 1066751074), (40, 533375537), (463, 46079960), (926, 23039980), (1852, 11519990), (2315, 9215992), (3704, 5759995), (4630, 4607996), (9260, 2303998), (18520, 1151999)]