21170968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2237}}^1$

素因数の和:2276

約数の個数: 48

約数和(自身を含む): 49146480

約数和(自身を除く): 27975512

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 2237, 2366, 4474, 4732, 8948, 9464, 15659, 17896, 29081, 31318, 58162, 62636, 116324, 125272, 203567, 232648, 378053, 407134, 756106, 814268, 1512212, 1628536, 2646371, 3024424, 5292742, 10585484, 21170968]

約数ペア:

[(1, 21170968), (2, 10585484), (4, 5292742), (7, 3024424), (8, 2646371), (13, 1628536), (14, 1512212), (26, 814268), (28, 756106), (52, 407134), (56, 378053), (91, 232648), (104, 203567), (169, 125272), (182, 116324), (338, 62636), (364, 58162), (676, 31318), (728, 29081), (1183, 17896), (1352, 15659), (2237, 9464), (2366, 8948), (4474, 4732)]