21531874

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16901}}^1$

素因数の和:16930

約数の個数: 24

約数和(自身を含む): 40463388

約数和(自身を除く): 18931514

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16901, 33802, 118307, 219713, 236614, 439426, 828149, 1537991, 1656298, 3075982, 10765937, 21531874]

約数ペア:

[(1, 21531874), (2, 10765937), (7, 3075982), (13, 1656298), (14, 1537991), (26, 828149), (49, 439426), (91, 236614), (98, 219713), (182, 118307), (637, 33802), (1274, 16901)]