21285194

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 37722240

約数和(自身を除く): 16437046

約数列:

[1, 2, 7, 14, 59, 73, 118, 146, 353, 413, 511, 706, 826, 1022, 2471, 4307, 4942, 8614, 20827, 25769, 30149, 41654, 51538, 60298, 145789, 180383, 291578, 360766, 1520371, 3040742, 10642597, 21285194]

約数ペア:

[(1, 21285194), (2, 10642597), (7, 3040742), (14, 1520371), (59, 360766), (73, 291578), (118, 180383), (146, 145789), (353, 60298), (413, 51538), (511, 41654), (706, 30149), (826, 25769), (1022, 20827), (2471, 8614), (4307, 4942)]