21375888

素因数分解:

$2^4\times 3^1\times {\mathrm{223}}^1\times {\mathrm{1997}}^1$

素因数の和:2231

約数の個数: 40

約数和(自身を含む): 55496448

約数和(自身を除く): 34120560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 223, 446, 669, 892, 1338, 1784, 1997, 2676, 3568, 3994, 5352, 5991, 7988, 10704, 11982, 15976, 23964, 31952, 47928, 95856, 445331, 890662, 1335993, 1781324, 2671986, 3562648, 5343972, 7125296, 10687944, 21375888]

約数ペア:

[(1, 21375888), (2, 10687944), (3, 7125296), (4, 5343972), (6, 3562648), (8, 2671986), (12, 1781324), (16, 1335993), (24, 890662), (48, 445331), (223, 95856), (446, 47928), (669, 31952), (892, 23964), (1338, 15976), (1784, 11982), (1997, 10704), (2676, 7988), (3568, 5991), (3994, 5352)]